About Checkstep | The AI Content Moderation Platform
Checkstep team members posing together outdoors

About Checkstep

We believe the internet should be a safe place – for everyone, everywhere. Checkstep is a global content moderation platform that uses AI to detect and action harmful user-generated content online.

OUR TEAM

Who are Checkstep?

Together, we’re a team of 15+ highly skilled and passionate engineers, innovators and trust & safety experts – located all across the globe.

 

Meet our leadership team

Guillaume Bouchard

Guillaume Bouchard
CEO

london, uk

Serial entrepreneur, angel investor and researcher in AI, Co-Founder and CEO of the Trust&Safety company CheckStep. Ex-Founder and CEO of Bloomsbury AI exited to Facebook, ex-manager of Facebook London AI Integrity, previously senior researcher at UCL and Xerox (PhD in Mathematics). 

Vincent Maurin

Vincent Maurin
CTO

MARSEiLLE, FRANCE

Engineering lead with fifteen years experience building data intensive and event driven applications. Has mentored engineering teams in AdTech. Fervent practitioner of continuous delivery and professional coding techniques.

Georgio

Georgio Anastasi
CFO/COO

London

Georgio is an experienced CFO and COO with end-to-end exit expertise, having steered many PE/VC-backed businesses in tech, predominantly SaaS, through acquisition and integration. Leader in scaling organisations internationally, with a focus on M&A, buy-and-build strategy, and post-merger integration.

Geoffrey Johnston

Geoffrey Johnston
Head of Product

london, uk

Geoffrey is a skilled product leader with +15 years of deep experience in product businesses in marketing technology, consumer hardware, video streaming, & consumer entertainment. He previously worked at Hopin and Amazon as Product Lead and General Manager.

Emily Atkinson

Emily Atkinson
Head of Marketing

london, uk

Emily is a growth-focused marketing leader with 10+ years of experience at SaaS and deep tech companies. She is passionate about building industry-leading brands at start-ups and scale ups, with experience in various industries including security, battery and automotive.

Deniz

Deniz Atabey Alkan
VP, Trust & Safety

London

Deniz is a Trust & Safety leader with deep experience across the world's largest platforms, including Meta, TikTok, Bumble and Trustpilot. Her work spans policy design, abuse mitigation and large-scale moderation operations. At Checkstep, she works directly with enterprise customers to strengthen their Trust & Safety operations. She is focused on building safer, more joyful online communities by combining automation efficiency with human judgement.

Hill Stark

Hill Stark
Director of Partnerships

Denver, USA

Hill brings 10+ years of experience leading customer success initiatives, with 5+ of those being dedicated to the SaaS Trust & Safety space. Her passions include data storytelling and exciting those around her to see new potential through harnessing the power of AI.

Meet our core team

Kelsey

Kelsey Jämtander
Head of Growth

Stockholm

With over a decade of experience in growth, Kelsey is driven by a relentless pursuit of digital innovation. Her work sits at the intersection of customer behaviour, digital ecosystems, emerging technologies, and experimentation, using data, technology, and automation to understand what drives growth, identify opportunities, and build scalable, high-performing digital strategies.

Andrew Kaptarenko

Andrew Kaptarenko
Enterprise Account Executive

Belgrade, SERBIA

Andrew is an empathetic and revenue-driven Account Executive with a strong technical background. He has 5+ years of proven experience in customer-facing and operational roles in B2B SaaS, FinTech, and consulting. He is truly passionate about Trust & Safety and Privacy.

Mattia Assogna

Mattia Assogna
Principal Frontend Engineer

Turin, ITALY

Mattia has lead the software development of a wide variety of products, from human genome research (GSK) to sports streaming platform (DAZN), among many others. In particular, Mattia has coordinated hundreds of engineers towards a scalable software to serve millions of users globally.

Sanket Naik

Sanket Naik
Trust & Safety Lead

Mumbai, INDIA

Platform safety specialist, with years of experience in content policy management. Previously leading large teams of content moderators from large social media companies.

Vilius Pankauskas

Vilius Pankauskas
Lead Security Engineer

Vilnius, LITHUANIA

Security specialist with more than 10 years experience in the field. Built security in companies from financial sector to Web3.

Ján Čabala

Ján Čabala
Senior Software Engineer

Kosice, SLOVAKIA

Passionate programmer with 10+ years of professional experience in various software development roles. A generalist who thrives in uncharted waters.

Nahun Silva

Nahun Silva
Senior Software Engineer

Porto, Portugal

Senior software engineer with two decades of experience designing and delivering customer-focused data-driven applications, SaaS platforms, and large-scale backend systems. His expertise is in designing reliable architectures and streamlining software delivery by continuously incorporating customer feedback throughout the development lifecycle.

Elaine Portela

Elaine Portela
Senior Software Engineer

Porto, Portugal

Experienced software developer with a strong background in building end-to-end solutions across industries like recruitment, employee health, and CRM. Proven track record in working on projects from concept to completion, focusing on creating impactful user experiences. Passionate about solving complex problems and thriving in dynamic environments.

Amy Fox

Amy Fox
Senior UX/UI designer

Sunderland, UK

Amy brings +10 year of experience in UX/UI design. She worked for a various set of B2C and B2B platforms. Previously she worked in front end development and visual/digital design.

Will Manfield

Will Manfield
Frontend Engineer

Neenton, UK

Will began his journey at Checkstep as an intern, where he quickly showcased his talent for frontend development. Now, as a Frontend Engineer, he specializes in crafting intuitive and seamless user experiences.

Anton Karavaev

Anton Karavaev
Software Engineer

Gdynia, POLAND

Anton is a seasoned software engineer with experience in various industries such as education, automotive, finance, advertisement and others. He is a product thinker and pragmatic practitioner. Mastering on fighting the complexity.

Shail

Shail Salig
Enterprise Trust & Safety Partner

London

Shail is an experienced sales professional with a background in scientific research and an MBA specialised in accounting. He has experience solving critical business challenges for clients across all verticals and regions.

Tanjeet

Tanjeet Gill
Enterprise Trust & Safety Specialist

London

With over 15 years of experience leading enterprise client relationships and scaling operations, Tanjeet specialises in translating complex risk vectors (like coordinated inauthenticity, real-time voice/chat toxicity, and account farming) into actionable technical solutions.

Claire

Claire Little
Marketing Executive

London

Claire is a B2B marketer with 4 years of experience at SaaS and Gamification companies. Claire started out as a marketing apprentice after completing a degree in Broadcast Journalism. Ever since, she has remained creatively driven and keen to create fun, original content that engages customers.

Syd

Sydelle de Souza
Research Engineer in Machine Learning

Portugal

Syd is a computational psycholinguist working at Checkstep to evaluate AI models and run experiments to guide product and engineering decisions. She holds master's degrees in Applied Linguistics from the University of Oxford and Psychological Research from the University of Edinburgh, where she is currently completing a PhD. 

Meet our advisors

Profile

Ben Greenstone
Policy & Legal Advisor

London, UK

Before setting up Taso Advisory, Ben was an adviser on technology and creative industries policy to Cabinet Ministers and Ministers in the UK Government.

Profile

Kyle Dent
AI Ethics Advisor

New york, usa

Head of AI at Palo-Alto Research Center (PARC) and Software Services Architect at Hewlett-Packard, decades of experience as leader in the high-tech industry.

Profile

Ameya Bhatawdeka
Product Advisor

seattle, usa

Machine Learning Scientist (Director) at Microsoft. Developed Internet scale AI systems at Microsoft and Facebook to protect people from abuse and harm.

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Todd Nilson
Community Advisor

Wisconsin, USA

Experienced digital strategist with over 25 years of consulting experience, specialized in community-building, digital workplace transformations, and marketing strategy.

Our values

Values to keep us aligned

 

Heart 1 Balance & Inclusion

We build for the world, with the world. Stay away from extremes.

Responsibility Accountability

We take responsibility for what we build.

Seal check 1 Trust and Integrity

Our foundation is ethical technology.

Users three 1 Teamwork

We speak up, listen deeply, and work together to solve tough problems.

Innovation Innovation

We pioneer, not follow.

Customers Customer Commitment

We solve real problems for real people.

Interested in joining
 the team at Checkstep?

If you want to work in a fast paced exciting startup environment or introduce talented candidates, we'd love to hear from you.

Checkstep Team Photo Far

Want to see our AI content moderation platform for yourself?

Book a demo to see how it can help you deliver safer, more inclusive content at scale.

Woman using a laptop while seated on a sofa at home.