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Guido X Jansen

Guido X Jansen

(he/him)

Psychologist by education, community builder by habit, Sifa ID creator because someone had to

Co-Founder, Product & Tech at Singi Labs

Amsterdam, North Holland, Netherlands🇳🇱
Open to:CollaborationsBoard positionsMentoring others
Preferred workplace:Remote (worldwide)Remote (same country)Remote (same region)
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I've been building (open source) communities since before it was a job title. Mambo, Joomla!, Magento, e-commerce optimization, enterprise SaaS. Communities often built on platforms they don't control, and when the platform changes the rules, years of trust and reputation just... disappear.

I studied psychology, which mostly taught me that we're usually really bad at predicting what people will do. So I got into experimentation, ran a CRO podcast for four years (200+ episodes), spoke at too many conferences, and ran Community & DevRel at Spryker until early 2026.

Barazo (ATproto-based forum) and Sifa came out of a frustration with Big Tech enshittification combined with a lifelong admiration for the open internet in general. And recently, ATproto in particular.

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Career: 17

Co-Founder, Product & Tech

Singi Labs

Independent work

Mar 2026 - Present

Open source foundations for networked apps. Building Sifa.id and Barazo.forum on AT Protocol.

AT Protocol

Global Business & Technology Evangelist (Senior Director)

Spryker

Full-time · Berlin, State of Berlin, DE · Remote

Nov 2023 - Jan 2026

Drove company-wide transformation through voice-of-the-customer/community and antifragile system design, influencing strategic direction beyond community. Strategic Leadership: → Organizational Transformation: Transformed community insights into business strategy across Product, Engineering, and Customer Success; → Cross-Functional Influence: Embedded insights into C-suite decision-making, directly advising CCO on ecosystem strategies; → Scaled Impact: Accelerated growth to 40% YoY while maintaining team efficiency through smart automation (n8n workflows); → Innovation Catalyst: Pioneered internal AI adoption (incl. n8n) and expanded MIT ecosystem adoption, creating vendor-independent innovation layer for enterprise clients; → Trust Building: Created rituals and traditions that strengthened community bonds beyond technical touchpoints → Global Thought Leadership: Presented at conferences on Composable commerce, B2B growth strategies and automation/innovation. Business Results: → Community-driven initiatives influenced 25% of product roadmap decisions → Reduced platform costs 70% while improving resilience through open architecture

Community StrategyDeveloper RelationsCross-functional LeadershipPublic SpeakingTechnology Evangelism

Global Business & Technology Evangelist (Director)

Spryker

Full-time · Berlin, State of Berlin, DE · Remote

Oct 2021 - Nov 2023

Rebuilt the foundation of Spryker's community strategy from zero, establishing programs and processes that would scale to serve all our 130+ enterprise clients and developer ecosystem. Foundation Building: → Team Creation: Recruited and developed initial community team, establishing culture of trust and innovation; → Member Success Focus: Designed onboarding that turns newcomers into contributors, focusing on individual member growth alongside company metrics → Platform Innovation: Led migration from Slack to forum-based platform, improving data sovereignty and community ownership; → Customer Advisory Board: Launched and facilitated CAB to create direct feedback loops between enterprise clients and product roadmap; → Community Model Design: Implemented Orbit/SPACES framework for scalable, low-touch/high-impact community engagement; → Developer Ecosystem: Initiated MIT-licensed module ecosystem to encourage open innovation. Initial Impact: → Achieved 30% community growth in first year through targeted initiatives → Represented Spryker at 50+ global events, establishing thought leadership presence → Built community platform serving 130+ enterprise accounts with 3-person team

Community DesignDeveloper RelationsTechnology EvangelismPublic Speaking

Podcast host & producer

CRO.CAFE

Independent work · Remote

Dec 2018 - Dec 2022

Weekly podcast where I interviewed people working on conversion optimization from agencies, client-side or tool vendors, with a total of over 200 episodes. 🏆 In September 2020 I received the "Experimentation Culture Award" for my work on the podcast. Besides English, the podcast spun off into a Dutch, Spanish and German version (hosted by other CRO specialists), driving global audience engagement and thought leadership in CRO/experimentation topics.

Audio EngineeringPublic SpeakingCommunity EngagementWeb Content ManagementAutomation

Global CRO Specialist

JDE Peet's

Full-time · Utrecht, Utrecht, NL · Hybrid

Dec 2020 - Sep 2021

→ Strategic Optimization: Owned customer experience strategy for 16 global e-commerce properties (L'OR, Tassimo brands) → Data-Driven Culture: Expanded experimentation program and drove adoption of evidence-based decision making across teams → Behavioral Psychology Application: Applied cognitive insights to improve user journeys and conversion paths

A/B testing

Founder, Magento evangelist, Community builder

Dutchento

Independent work · NL

Aug 2008 - Sep 2021

I founded the local Dutch community for the Magento e-commerce platform and have organized many events throughout the years, including 11 editions of Meet Magento, scaling to 600+ annual attendees. 🏆 For my work I received the Community Builder Award from eBay CEO John Donahoe. And lots of love from the community of course 😄.

Event ManagementCommunity BuildingWeb Development

Senior Digital Consultant & Customer Experience Optimization Specialist

Vaimo

Full-time · Stockholm, Stockholm, SE · Remote

May 2019 - Apr 2020

I improved Vaimo clients’ digital channels and better matched these with their customer behavior/needs by arranging and executing user research, data analysis and experimentation services as part of Vaimo's continuous growth plans. I evaluated clients’ digital maturity and capabilities for growth and build several Customer Experience Reports. With my experience and practical insights, I’m able to recommend what, why and how to set the strategy for a fast-track to success. And of course help the clients actually implement the plans and adjust align the way where needed. Besides that I hosted Vaimo’s international Core of Commerce podcast and regularly represented Vaimo at public workshops and conferences to share my experience. Some of the clients I worked with: ✭ Lecot ✭ Bahne ✭ Bauhaus ✭ Diptyque ✭ Favorite Gifts ✭ Helly Hansen ✭ Heineken ✭ Canal Digital.

A/B testingIT ConsultingUser Research

Global CRO Lead

Randstad

Full-time · Diemen, North Holland, NL · On-site

Nov 2017 - Oct 2018

As part of the global digital team at Randstad I led the initiative to implement local optimization programs in the 39 Randstad countries. I set the global digital optimization strategy and advised local teams on how to grow their teams, improve subject knowledge and increase the effectiveness of their processes. I've trained CRO professionals and stimulated knowledge exchange and collaboration between the different global teams. I've partnered with different departments and external agencies. Some of my accomplishments: → Global Team Building: United 40+ professionals across 39 countries into collaborative CRO community; → Process Transformation: Evolved ad-hoc optimization into structured, high-impact program with 10x experiment velocity (50 to 500 annually) while maintaining quality and ROI; → Strategic Resource Management: Managed €2M software budget (including Optimizely X, Effective Experiments, Hotjar) while democratizing tool access globally; → Branched out to offline innovation projects to assist with their experimental designs to make sure new ideas can be properly validated. I regularly represented Randstad at public workshops and conferences to share my experience.

A/B testingManagementRecruitingLeadership

Chief Psychology Officer, CX/UX Team manager

Euroflorist

Full-time · Hybrid

Jun 2015 - Sep 2017

Euroflorist is an online e-commerce company selling gifts worldwide with a strong focus on flowers. As part of the online management team I created and led the optimization team. I set up its processes from scratch to perform user research, experiments, interpret (qualitative/ quantitative) data and validate the changes we made to (elements in) the customer journey. The main focus was on digital channels, but we were expanding the team to be able to include more elements of the customer journey (branding, offline marketing, customer support, logistics). In the first half of 2017 my team ran over 50 experiments that had a combined projected impact of €4.1M-7.6M increase in profit on a 12-month basis. Some of the tools I used: Convert (A/B testing), Effective Experiments, Hotjar, Jira, Google Analytics, Supermetrics, Sentient Ascend, RStudio. I regularly represented Euroflorist at public workshops and conferences to share my experience.

Conversion OptimizationGoogle AnalyticsE-commerceManagementUser Research

Conversion Manager Comparison

Sanoma

Full-time · Hoofddorp, North Holland, NL · On-site

Mar 2014 - Mar 2015

I was part of the product team responsible for improving the KPIs of the Comparison Department with a focus on the Kieskeurig.nl brand. My work involved gathering qualitative and quantitative feedback from users, behavior analysis, A/B testing and deploying the UI and UX improvements to the live website. Besides the conversion optimization itself, an important part of my job was to implement (improved) CRO processes and guide the teams/company towards a more CRO and data driven/informed way of working. In this year we performed over 50 experiments and raised overall click-out conversions from 39% to over 47%. Some of the tools I used: SiteSpect (A/B testing), Qlikview (BI), AT Internet & Google Universal Analytics Premium (Web Analytics), Podio, Gdrive and Supermetrics. I regularly represented Sanoma at public workshops and conferences to share my experience.

Conversion OptimizationGoogle AnalyticsE-commerceMarketing Strategy

Senior Conversion Consultant

Online Dialogue

Full-time · Hybrid

Mar 2013 - Feb 2014

Online Dialogue is a knowledge driven network organization with entrepreneurial online experts. Its expertises are data science, strategy, design optimization and organization of the online dialogue. As a cognitive psychologist, I was mainly involved with behavioral analysis and conversion optimization: → Behavioral analysis: An effective client dialogue is based on the knowledge of the client. With quantitative and qualitative research (webanalysis, usability testing, expert reviews, surveys etc.), we mapped this knowledge and connected this to individual clients (in your CRM/ data warehouse). Based on this information we analyzed and optimized the dialogue with the online customers of our clients. → Conversion optimization Based on insights from the client dialogue analysis we created and engaged in improvement trajectories. The effectiveness of improvements was always validated in a performance dashboard and through A/B/MvT testing in combination with (behavioral or profile) targeting. Some of the awesome international clients I worked for are... ✭ eBay / Marktplaats ✭ Emesa ✭ International Card Services (ABN Amro Bank) ✭ De Lage Landen / LeaseLoket (Rabobank) ✭ Conrad ✭ ABN AMRO ✭ T-Mobile

Conversion OptimizationA/B testingUsability TestingGoogle AnalyticsE-commerce Optimization

eBusiness consultant and Magento Evangelist

valantic NL

Full-time · Rotterdam, South Holland, NL · On-site

Mar 2011 - Feb 2013

At ISM I had a central role within the Magento team. My daily tasks were in the following areas: → Optimization: I helped existing clients to increase conversion and turnover by leveraging the platform, train their staff and advice on both the technical and business side. → Evangelise Magento, both internal and external. I trained new project managers, blogged and spoke a lot about Magento and optimization and promoted ISM in any way I could. → Sales: During the (pre)sales phase I advised (potential) customers on platform and e-business choices and supported the sales team building their offers. Some of the awesome clients I worked for at ISM are... ✭ ANWB ✭ Arseus ✭ B32 Groep ✭ Biretco ✭ Fietsenwinkel.nl ✭ Groep Alain Broekaert (GAB) ✭ iCentre ✭ Nelson Schoenen ✭ McGregor Fashion Group ✭ MegaGadgets ✭ Merford Noise Control ✭ Natuurmonumenten ✭ Omega Pharma ✭ Pearson Education Benelux ✭ PostNL ✭ Primera ✭ Roobol ✭ SDU Uitgevers ✭ Swiss Sense ✭ Uitgeverij Unieboek Het Spectrum

MagentoE-commerceAgile Methodologies

Magento/ eBusiness consultant

Realvine

Full-time · Abcoude, Utrecht, NL · On-site

Aug 2009 - Feb 2011

Realvine was the first Magento ecommerce partner in The Netherlands. I used my experience with websites, usability and the Magento ecommerce platform to help new clients. I advised on the implementation of the software, created functional designs and provided training to use the software to it's full potential. When the website was live, I helped improving their business results.

MagentoE-commerceProject Management

Usability & Conversion specialist

Regenerate

Freelance

Apr 2004 - Jul 2009

I consulted website owners with: → (starting their) online business → website usability → e-commerce conversion optimization

IT ConsultingWeb Development

Board - Public Relations

StudentenGroep Sociale wetenschappen (SGS)

Volunteer · Utrecht, NL

Sep 2006 - Sep 2007

For a year, I was responsible for brand strategy and promotion of the whole association, and for the activities of the different committees. I also coordinated several of the committees and managed all online activities.

Adobe PhotoshopBrandingPublic Relations

High-performance swimmer at the National swimming team

Koninklijke Nederlandse Zwembond (KNZB)

2000 - 2004

I participated in several international swimming events and championships representing the National swimming team. During my career I won various medals at Dutch Championships, primarily at the 50m. breaststroke and attended to several European Championships

High-performance swimmer at the National junior swimming team

Koninklijke Nederlandse Zwembond (KNZB)

1995 - 2000

I participated in several international swimming events and championships representing the National swimming team.

Education: 4

University of Amsterdam

Communication Science

Jan 2013

I participated in the first Massive Open Online Course (MOOC) from the University of Amsterdam on the topic "Introduction to Communication Science".

Utrecht University

Applied Cognitive Psychology (Human Factors)

Sep 2005 - Jul 2007

I researched the Center-of-Gravity model and the influence of shadow on the predictions of the model with help of the Eyelink II Eyetracker.

Activities / Societies: Boardmember StudentenGroep Sociale wetenschappen (SGS) 2006-2007

Utrecht University

Bachelor of Science (BSc), Psychology

Sep 2002 - Jul 2005

I researched Motion-Induced Blindness (MIB), a phenomenon of visual disappearance or perceptual illusions in which salient visual stimuli disappear as if erased in front of the observers eyes (for more information, see http://www.weizmann.ac.il/home/masagi/MIB/mib.html). Our research found an effect for distance (increased distance -> increased MIB) and for direction (more MIB in the upper left visual field).

Activities / Societies: StudentenGroep Sociale Wetenschappen (SGS)

Lingecollege

High School (Havo, VWO)

Sep 1994 - Jul 2001

Projects: 7

Think tank Futureproof Technologies for B2X (digital) Commerce (Shopping Tomorrow)

shoppingtomorrow.nl/nl/themas/tech/tech/futureproof-technologies-for-b2x-digital-commerce-2022

Jan 2022 - Nov 2022

The Expertgroup Futureproof Technologies for B2X (digital) Commerce with Valantic as chair and Spryker as host will work on the question: "Which technologies have a large influence on Digital Commerce (in the coming years) and how to clarify which technologies will be of importance for your organization?"

Think tank Conversion Optimization (Shopping Tomorrow) 2015-2021

shoppingtomorrow.nl/nl/themas/marketing/conversion/conversion-optimization-2021

May 2015 - Aug 2021

ShoppingTomorrow is the annual research program in which research is conducted into the most important developments within digital commerce. Spread over approximately 25 expert groups, 500 to 600 e-commerce professionals participate in ShoppingTomorrow every year. Since 2015, I've taken part in the expertgroup for Conversion/Revenue optimization

Meet Magento The Netherlands

meet-magento.nl/

Feb 2009 - May 2019

Initiated and organized the yearly Dutch Meet Magento event for 11 consequent years. The first event that also kicked of many international Meet Magento events.

Coaching interns at The Talent Institute

thetalentinstitute.nl/

Jan 2016 - Jul 2016

The Talent Institute is a community of highly skilled professionals educating talented people the skills most relevant in these revolutionary times. Skills aligned to the rising technology needs of innovative high growth companies. At Euroflorist, we mentored 2 interns from TTI for 6 months.

Persuasionistas

persuasionistas.com/

Nov 2012 - Dec 2015

The secret order, founded in Amsterdam in 2012, bound by the hunger for scientific knowledge of the human brain and influence tactics.

Lead Organizer for the Dutch Joomladays

Jan 2008 - Jun 2009

For 2009 (June 12 and 13th), I had the lead over the organization team (10 volunteers) for the whole event. I also took part in the organization team of the Dutch Joomla! days in 2008. Among other things, I help out with public relations, event promotion and internationalization of the www.joomladays.nl website.For 2009 (June 12 and 13th), I had the lead over the organization team (10 volunteers) for the whole event. I also took part in the organization team of the Dutch Joomla! days in 2008. Among other things, I help out with public relations, event promotion and internationalization of the www.joomladays.nl website.

DutchJoomla!

Nov 2004 - Oct 2007

I founded DutchMambo in 2004, turned it into DutchJoomla in September 2005 and been with it untill fall 2007. I coordinated a team of around 15 volunteers who contribute to the project with translations, moderating forums, making news items and documentation. I took care of brand development and strategy, web site traffic growth and advertising revenue.

Credentials: 31

AI for Business

Growth Tribe

Jun 2023
Jul 2020
Jul 2020

Branding

CXL Institute

Jul 2020
Jul 2020
Jul 2020

Google Tag Manager

CXL Institute

Jul 2020

Google Analytics

CXL Institute

Jul 2020

A/B testing mastery

CXL Institute

Jul 2020
Jul 2020
Nov 2019

Elements of AI

University of Helsinki

Aug 2018

Big Data: Measuring and predicting human behaviour

University of Warwick - Warwick Business School

Aug 2017
Jun 2017

Euroflorist Leadership Program 2015-2016

Stardust Consulting

Mar 2016

Try R

Code School

Jul 2013

A Beginner's Guide to Irrational Behavior (Dan Ariely)

Coursera Verified Certificates

Jan 2013

Visual Website Optimizer - Certified Partner

Wingify

Nov 2010

Publications: 56

Guido X Jansen50 articles
Feb 2026
Oct 2017
Feb 2017
Jan 2012
Dec 2004
Feb 2001

Other publications

Volunteering: 11

Advisor

Experimentation Elite

Jan 2026 - Present

I'm advising the ExElite organizition on their Space Academy event, where they bring together CRO/Experimentation practitioners and explore how AI is changing the future of the CRO industry. I also take an active role in hosting the podcast that interviews all of the events keynote speakers.

Donor / Supporter

Bits of Freedom

Jan 2014 - Present

Long-term financial supporter of Bits of Freedom since 2014, contributing to their mission of protecting digital rights and privacy in the Netherlands. Passionate about ensuring technology serves society's best interests.

Board of Directors (Founding member)

Magento Association

Jan 2019 - Sep 2021

In the beginning of 2019 I was selected as a member of the inaugural board of directors for the newly formed Magento Association. Our mission is to advance and empower the global Magento community and commerce ecosystem through open collaboration, education, and thought leadership. Besides being part of the Board of Directors, I was also a member of the Diversity & Inclusion and the Content committees. When joining Spryker in Q3 2021, I resigned from my position on the board.

Founding Task Force member

Magento Association

Aug 2018 - Jan 2019

In 2018, Magento Association (MA) is forming as a user-led community. This global community will be structured as a non-profit organization with governance best ensuring that Magento advocacy reflects users, developers, merchants and industry thought leaders. The volunteer community of leaders, including Magento Corporation, will comprise a Board of Directors, committees, task forces and general membership. I'm part of the temporary (Q3/4 2018) task force of 7 global community members that has been charged with following the key deliverables: ✓ Form articles of incorporation ✓ Form community bylaws ✓ Draft mission statement ✓ Establish Strategic Plan ✓ Build 2019 budget and operating plan ✓ Serve on election committee

Vice President & Magento Evangelist, Western Europe

Meet Magento Association

Jul 2016 - Aug 2018

The Meet Magento Association organized/coordinated the worldwide “Meet Magento” events which started in Europe in 2009. As non-profit organization the Meet Magento Association took care of all Meet Magento Events and supported the Magento community and merchants with the localized Magento editions and Magento user support. I helped evangelise the brand and the events and supported local organizers in many countries starting up their local Meet Magento event and community. I also traveled to many of these events to help support them and share my knowledge and experience on stage: Argentina, Austria, Belarus, Belgium, Brazil, China, Croatia, Czech Republic, Denmark, France, Germany, UK, Greece, Poland, Ireland, Indonesia, Romania, Spain, Sweden, Switserland, US and Vietnam. In 2018, the Meet Magento Association was superseded by the Magento Association.

Teacher on Behavioural Psychology

Growth Tribe

Nov 2015 - Nov 2017

Volunteer TNW Conference 2016 & 2017

The Next Web

May 2016 - May 2017

Teacher on Behavioural Psychology

The Talent Institute

Jan 2016 - Dec 2016

Founding member

Hotjar

2014

One of the first to test and use this UX tool and listed as a Founding Member.

Board of Advice

StudentenGroep Sociale wetenschappen (SGS)

Sep 2008 - Sep 2009

The Board of Advice gives (un)solicited advice to the executive board of the organization and is appointed by all the members of the organization.

Joomla! Translation Coordinator for The Netherlands

Joomla!

Apr 2005 - Mar 2008

I helped translating the Joomla! core files and lead a team of volunteer translators for the Dutch language. I translated blog postings, coordinated Joomla! events and managed the Dutch forums.

Awards: 16

Magento Master 2019

2019

For my work in the Magento community I was recognized by Magento as a Magento Master in the Mentor category. I was selected based on my 2018 contributions organizing Meet Magento Netherlands, Distributed Magento Contribution Day in Rotterdam and Magento User Group Utrecht as well as well as co-hosting the Dutchento Podcast and helping to shape the Magento Association by serving on the Magento Association Task Force.

Community Manager of the Day

Apr 2013

On April 22nd, I was appointed "Community Manager of the Day" by the organization behind "My Community Manager" because of my work for the Dutch Magento community.

Magento - X.commerce Community Builder Award

Oct 2011

For my active role in the (Dutch) Magento community, I received the "Magento - X.commerce Community Builder Award" out of the hands of eBay CEO John Donahoe in October 2011 at the Innovate Conference in San Francisco.

Person of the Year

Dec 2006

In 2006, TIME Magazine recognized the millions of people who anonymously contribute user-generated content to wikis (including Wikipedia), YouTube, MySpace, Facebook and the multitudes of other websites featuring user contribution. So congratulations to you too! ;)

Dutch National student champion and national record on 50 meters breaststroke & 100 meters medley

Jun 2004

50 meters breaststroke time: 0.29.93 100 meters medley time: 1.00.95

N.B.J.G. Buitenman Trophee

May 2004

De onderscheiding wordt jaarlijks uitgereikt aan de zwemmer of zwemster die de beste prestatie heeft geleverd tijdens een door de Kring Utrecht georganiseerde wedstrijd. In 2003 kwam deze beste prestatie dus op naam van Guido Jansen, die op de 100m. vrije slag een tijd neerzette van 52.06 seconde, en daarmee van alle zwemmers het dichtste in de buurt kwam van een wereldrecord.

Dutch National Champion

2004

From 1995 until 2004 participated in many competitions - both National and European. I won several swimming awards (e.g. multiple Dutch Champions at the 50 meter breaststroke).

Dutch National Champion 50 meters breaststroke - seniors

Jun 2003

Time: 29.16 (long course)

Dutch National Champion 50 meters breaststroke - seniors

Dec 2001

Dutch National record on 4x100 meters breaststroke - seniors

Nov 2001

Together with Robin van Aggele, Lesley Voorn and Casper Tichelaar. Time: 4.22.28

Dutch National Champion 50 meters breaststroke - seniors

Jun 2001

Time: 29.43 (long course)

Dutch National Champion 50 meters breaststroke - seniors

Dec 2000

Dutch National record on 4x100 meters freestyle

Jun 1999

Together with Alex van Leendert, Tim Peter and Stefan Oosting 4x100 meter vrije slag estafette. Time: 3.41.15

CRO personality of the year 2020 (nominated)

https://conversioneliteawards.com/

Winner of the Experimentation Culture Award 2020 - Individual category

https://experimentationcultureawards.com/

Magento Top 50 contributor 2017, 2019 & 2020

Languages: 2

Dutch(Native or bilingual)
English(Full professional)

Skills: 69

Technical

Antifragile Systems DesignAT ProtocolAutomationData AnalysisGenerative AIJoomlaMagentoSpryker
Spryker Cloud Commerce OSTest-Driven DevelopmentWeb 2.0Web Development

Business

A/B testingAgile MethodologiesAnalyticsBloggingBusiness IdeasBusiness NetworkingCMSContent Management
Conversion OptimizationDigital StrategyE-businessE-commerceE-commerce OptimizationEcommerce optimizationEntrepreneurshipGoogle AnalyticsGrowth HackingIT ConsultingManagementMarketing StrategyOnline MarketingProject ManagementPublic RelationsRecruitingSEOStrategyWeb AnalyticsWeb Content ManagementWeb Project ManagementWriting

Creative

Adobe PhotoshopAudio EngineeringBrandingUsabilityUsability TestingUser ExperienceUser Experience Design (UED)User Research

Interpersonal

Cognitive PsychologyCross-functional LeadershipCross-functional Team LeadershipHuman BehaviorLeadershipPersuasionPsychologyPublic Speaking
Research Skills

Community

Community BuildingCommunity DesignCommunity EngagementCommunity StrategyDeveloper RelationsEvent ManagementOpen SourceTechnology Evangelism

Other

Product BuildingYolo merging

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