Meet the Team
Esther founded Decisive Consulting following 23 years of experience in the pharmaceutical and biotechnology industries.
In 2025, Herspiegel Consulting acquired Decisive Consulting and FIECON.
Esther Nzenza
Senior Partner and Head of Global Value and Access
Decisive Consulting + FIECON, a Herspiegel company
Chris joined Decisive with 25+ years of life science experience with executive roles in the pharmaceutical, biotech, med-tech and health-tech.
Chris Grimes-Crompton
Partner, Value Strategy
Nic brings with him extensive experience in the pharmaceutical industry and a background in market access and operational expertise.
Nic Gwatkin
Partner, Value Strategy
Mike has worked with leading global pharmaceutical companies on key access-based projects contributing significantly to pharmaceutical strategy.
Mike Blackney
Partner, HEOR and Evidence
Richard has 20 years of experience helping Pharma, Biotech and MedTech organisations understand the Market Access and HEOR changes and challenges, and to find solutions.
Richard Tolley
Principal, Value Communications, Capabilities and Policy
Tammy has 20 years’ hands-on experience in value communication, access strategy and HEOR evidence generation with Global, European, US and country teams.
Tammy Wynne
Principal
Julie brings over 20+ years of expertise in market access, pricing, and commercialisation within the pharmaceutical industry and consultancy.
Julie De Almeida
Principal
Steve has 20 years of experience in the pharmaceutical industry, including market access consulting and commercial roles in industry.
Steve Fountain
Principal
Jorge has led the development of market access platforms in the sector and possesses a comprehensive understanding of the global access system and delivering creative solutions
Jorge Ferrer
Senior Manager
James has over 8 years experience in the Life Sciences industry, working as a consultant across a range of pricing and market access projects.
James Grainger
Senior Manager
Lina is a pharmacist by training, with an MPH in Healthcare Services Administration and an MSc in Health Economics, Policy and Law.
Lina Stavropoulou
Senior Manager
Rosa Willock
Senior Manager
Sana is a qualified pharmacist and experienced medical writer specialising in market access.
Sana Sharif
Senior Manager
Hanne brings 10+ years of editing and writing experience, specialising in market access.
Hanne Gadeberg
Senior Manager
Lizzy has worked in market access for over 15 years and is a medical writer with in-depth HTA experience.
Lizzy Balman
Senior Manager
Megan is passionate about leveraging her skills to help healthcare organisations achieve their goals and is committed to continuing her professional development in this dynamic industry.
Megan Watts
Manager
Gaia Geraci
Manager
Olivia Cottom
Manager
Milind’s experience in research laboratories and policy-based Life Science roles provides him with excellent science communication and analysis skills, and a solid foundation of knowledge of the pharma/biotech sector.
Milind Sood
Senior Consultant
With numerous years of experience across Market Access, Policy, Global Trend Analysis and Thought Leadership, Craig specialises in analysing global healthcare data in developed and emerging markets.
Craig Smith
Senior Consultant
Farhaan’s background in health economics and experience as an HTA analyst at NICE equips him to navigate complex regulatory environments and make evidence-based decisions.
Farhaan Jamadar
Senior Consultant
Tommy is an experienced health economic modeller with a strong technical background in statistics primarily delivering cost-benefit analyses and budget impact models.
Tommy Hoare
Senior Consultant
Michael brings experience in distilling clinical data in the context of payer and clinician needs across a diverse spectrum of therapy areas.
Michael Harding
Senior Consultant
Gloria is experienced in leading research and providing analytical support across complex health engagements spanning various sectors, with extended exposure in the APAC and EMEA regions. regions.
Gloria Kwong
Senior Consultant
Sophia Naegeli
Senior Consultant
Ava Mair
Senior Consultant
Sophia joined Decisive with a specialisation in Systems and Synthetic Biology and experience navigating and interpreting complex data at a healthcare market research agency.
Sophia McGovern
Senior Consultant
Marie is a health economist with experience developing health economic analyses in both academic and consultancy settings to demonstrate the value of new and existing treatments.
Marie Le Novere
Senior Consultant
Theoni joined Decisive Consulting as a Medical Writer bringing over 8 years of expertise in medical academic research.
Theoni Demcollari
Consultant
Cecilia joins Decisive with market access and regulatory experience in the pharmaceutical and biotechnology sector, coupled with extensive writing expertise across global projects.
Cecilia Silva
Consultant
Nick’s academic research specifically focused on the successful clinical development of antibody-based therapies for treating COVID-19 caused by the SARS-CoV-2 virus.
Nick Cartwright
Senior Analyst
Paddy joined Decisive Consulting after completing a degree in Biology with a secondary in Government.
Paddy Adams
Senior Analyst
Riaz is specialised in Cancer Biology, with a deepened understanding of breast cancer, coupled with a passion for delivering strategic solutions to challenges that generate immediate, meaningful value for patients.
Riaz Sohail
Senior Analyst
Anna Tran
Senior Analyst
Alex comes from a consulting background focused on Healthcare and Science, with strong analytical skills and strategic thinking she delivers innovative solutions to complex challenges in these domains.
Alex Zaloumis
Senior Analyst
Anika brings experience in early asset evaluation and competitive intelligence, applying strong analytical skills to support strategic decision-making.
Anika Rahman
Senior Analyst
Sophie holds a degree in Biomedical Sciences with a specialisation in pharmacology; she is deeply passionate about leveraging strategic communication to enhance access to healthcare.
Sophie Burr
Senior Analyst
Amanda is a strategic thinker who naturally collaborates with internal and external stakeholders ensuring alignment, leading to successful outcomes.
Amanda Froud
People Manager
Julie brings with her 20+ years’ experience as a Personal Assistant, primarily within the medical field.
Julie Rodwell
Executive Assistant
Andrea brings with her 20+ years of project management experience across different functional areas, both agency & client side.
Andrea Grimes-Crompton
Senior Manager, Proposals
With more than 10 years of experience in managing workflows across diverse domains, Vee joined Decisive as Project Coordinator.
Veryan Hole
Senior Ops Specialist