Meet The Team

Maria Sergeeva

Maria Sergeeva DClinPsy
CEO and Founder

Former Marketing & PR Lead in tech (Semrush, Unlimint, Bankex)

Maria's acquired clinical background (DClinPsy, Addictions MSc), NHS placements, and work with neurodivergent clients struggling with complex health needs in the UK highlighted the inefficiencies in the current systems. This drove her to create a product designed to truly serve users' needs and empower them to manage their health data effectively.

Email: maria@healthdataavatar.com

Hex Miller-Bakewell

Hex Miller-Bakewell DPhil
CTO and Developer

Former lecturer in informatics (Sussex) after a PhD in Quantum Computing (Oxford), Hex has also been a software engineer and data scientist for over a decade. They have been an interim CTO (Nimbo), and developed machine learning MRP systems (Stonehaven).

Expertise: Software development, data science, chatbot privacy.

Email: hex@healthdataavatar.com

Peter Romov

Peter Romov
Security & Privacy advisor

Ex-Research and ML Engineer at Meta, WhatsApp, and Yandex.

Founder & CTO of GOSU AI ($5.5M raised, acquired), DataSouls, and Open Data Science (ODS.AI).

Expertise: Privacy-enhancing technologies, machine learning, and AI-driven analytics.

Nikita Shishkin

Nikita Shishkin
Product Design

Ex-Senior Product Designer at Lightricks, Prequel and Yandex.

Expertise: b2c, b2b, and b2b2c mobile and web app design, human centered design, user research.