Zak Siddiqui

Zak Siddiqui

Zak has over 20 years of commercial experience in the life sciences and healthcare consultancy sectors, navigating global and county-level landscapes as well as research and development spheres.

Zak has over 20 years of commercial experience in the life sciences and healthcare consultancy sectors, working closely with key stakeholders, including scientific experts. Her commercial background spans early to late phase assets within R&D to established brands in the market. Prior to joining Visions4Health in 2020, in her role as Disease Area Leader with portfolio responsibility at Novartis, Zak led the haematology marketing team with responsibility for its overall strategic direction and operational delivery. Her portfolio oversight extended to pivotal roles within the Haematology Business Franchise Board. Prior to this, at GSK, Zak held multiple commercial roles across a number of therapy areas including oncology, respiratory and vaccines, straddling strategic and tactical roles at both the global and country level.

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Learn more about our experienced staff

Sabina Syed - Founder and Managing Director
Sabina established Visions4Health in 2007. She has over 25 years of experience in healthcare – in the NHS, pharmaceuticals and healthcare consulting.
Roshani is an established healthcare management consultant with over 20 years’ experience working within life sciences, and across the NHS and charitable sectors. She joined Visions4Health in 2021 as Commercial Director
Gemma Gerzon
Gemma brings 15 years’ valuable experience to Visions4Health, with her background in the NHS, central government and the private health insurance market. Her specific interests lie in digital health technologies and the mainstreaming of genomics
Jonny Savage
Jonny joined Visions4Health from NHS England in 2023. He brings over ten years of experience working in policy, strategy and adoption of health innovation.
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