Executive Team

Dr. Sati Sian

Sati Sian


Dr. Sati Sian is a 30 year veteran of health technology and data businesses.

He currently Chairs a number of PE sponsored businesses in the technology sector. He was previously CEO of Allocate Software, building this to a leader in human resource management software company with over a 1,000,000 healthcare employees managed on its SaaS platform around the world. Prior to this he spent over 20 years at IMS Health (now IQVIA) leading Global Operations across its 100 country footprint and managing a team of over 6000 people.

Dr. Sian graduated with a PhD from Imperial College London.

Deborah Kobewka - CEO

Deborah Kobewka

Chief Executive Officer

As Chief Executive Officer, Deborah brings to Evaluate over 30 years of expertise in the global pharmaceutical, healthcare and information sectors.

Deborah joined Evaluate in 2019 from the Department for International Trade in the UK government where she served as Managing Director of Healthcare UK, Lifesciences and Bio-economy industry sectors. Prior to that, she held senior corporate and operational roles at both private and government organisations in the UK, Europe and Asia, including as President Asia Pacific of IMS Health (now IQVIA), where she led all aspects of the business across a diverse 16-country region. 

Martyn Hindley

Chief Financial Officer

Martyn joined Evaluate in December 2019 as Chief Financial Officer. He brings over 30 years of senior financial experience to Evaluate, with a focus on technology-driven, international, and multi-sector corporations.

Martyn most recently served as CFO of Global Reach Group, and has also held executive roles at Equiniti Group Ltd., Quadriga Worldwide Ltd, Aquascutum and Emap International Ltd.

Chris Kelley

Chief Revenue Officer

Chris Kelley joined Evaluate in 2017 and has led Evaluate's sales and account management teams as Chief Revenue Officer since 2020.

Prior to Evaluate, Chris was responsible for leading and growing the Americas business for UpToDate from $70m-$180m over his 5 year tenure at Wolters Kluwer. He has also held sales leadership roles at Grand Circle Travel, Basho Technologies, and Forrester Research.

Yann Cluchey

Chief Technology Officer

Yann joined Evaluate in 2020 as Chief Technology Officer. He brings over 17 years’ experience in big data and web technologies, with a background in software engineering. Yann is passionate about data mining & machine learning, and is leading Evaluate's Engineering, Product Development, Data Science and IT functions.

Prior to Evaluate, Yann held executive management roles at companies including GfK and then Euromoney Institutional Investor PLC, where he led a technology transformation across a portfolio of 17 news, research & data businesses in the Specialist Information Division.

Kevin Morgan

Chief Data Operations Officer

Kevin brings years of experience in the financial services industry having managed Data Operations, Change Management and Market Data Commercial/Procurement teams across Operations, Technology and directly in the business.

In his most recent role as Global Head of Market Data at HSBC, Kevin managed a multi-million-dollar budget, servicing 8 businesses to meet their needs and requirements with market data solutions. Prior to HSBC, Kevin worked for Thomson Reuters managing their Data Operations team which encompassed the Real Time Exchange Traded Instrument domain, running an operations team of 500+ staff across 60 global locations.

Kevin holds a Masters in Professional Development in Management and Business from Exeter University in the United Kingdom.

Lucy Ralph

Lucy Ralph

Chief Human Resources Officer

Lucy joined Evaluate in 2009, holding a variety of people-centric roles before assuming the role of Evaluate’s Chief Human Resources Officer in 2018.

An experienced operational and people leader with a varied industry experience, Lucy is responsible for all aspects of HR & Corporate Services globally. Prior to joining Evaluate, Lucy held roles at Goldman Sachs and Enterprise. She has a MA in International Business, as well as CIPD and PgC qualifications.

Cem Baydar

Chief Consulting Officer

Cem joins Evaluate after 11 years at IQVIA where he most recently led the Portfolio Strategy Consulting Practice in EMEA and established and grew consulting services business in different geographies. He brings 20 years of life sciences and technology experience to Evaluate, with global management experience in four continents including the US, Europe, Middle East, and Africa.

Cem earned his Ph.D. from the University of Michigan, Ann Arbor, focusing on the applications of Artificial Intelligence to solve large-scale, complex real-word problems.

Jonathan de Pass

Jonathan de Pass

Founder and Director

Jonathan, a world-recognised leader in market intelligence and analysis for the pharmaceutical sector, has led the way in creating new industry standards for forecasting global drug sales and other performance metrics.

Prior to founding EvaluatePharma in 1996, Jonathan was a top-ranked pharmaceutical analyst in the London investment-banking arena, where his insights guided venture capital and securities investments.

He earned a Masters in Management from the London Business School, and Bachelor of Medicine and Bachelor of Surgery degrees from the University of Bristol in the UK.