MISSION
To help pharmaceutical and biotech organisations make better clinical, medical and R&D decisions, generate the right evidence, and advance promising healthcare products efficiently from development through approval and beyond.
Why Reguclin Consulting?
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Senior pharmaceutical expertise, delivered directly
You work directly with experienced pharmaceutical leadership, bringing 24 years of global Clinical Development, Medical Affairs, Evidence Generation and Pharmacovigilance experience to the challenges that matter most. -
Integrated perspective across the development lifecycle
We connect clinical, medical, safety, regulatory and commercial considerations, helping clients make better development and portfolio decisions from early development through registration, launch and lifecycle management. -
Global experience, Europe-based
Based in the Netherlands and working globally, Reguclin brings practical experience across the US, Europe and major international markets, including complex regulatory and development environments. -
Strategic thinking with practical execution
We don't stop at recommendations. Reguclin combines strategic advice with hands-on programme support, helping teams translate development strategy into credible evidence, regulatory progress and actionable outcomes. -
Independent senior judgement
Whether assessing an asset, shaping a development programme, preparing for a regulatory milestone or strengthening Medical Affairs, we provide an independent perspective grounded in extensive industry experience. -
Flexible access to senior capability
Engagements can be tailored to the need, from a defined project or strategic advisory assignment to fractional or interim leadership and EU QPPV support. -
A true extension of your team
We work collaboratively with internal R&D, Medical Affairs, Regulatory, Safety, Market Access and Commercial teams, bringing senior expertise without adding unnecessary organisational complexity.
Dr Siddharth Chachad
Founder & CEO - Reguclin Consulting
I’m a pharmaceutical physician and strategic R&D leader with 24 years of experience across global Clinical Development, Medical Affairs, Evidence Generation and Pharmacovigilance.
Over the course of my career, I’ve worked across the development lifecycle, from early clinical and translational development through regulatory approval, launch and lifecycle management. My experience spans innovative and differentiated medicines, complex generics, biologics and biosimilars, vaccines and medical devices, across the US, Europe and international markets.
I’ve held senior global leadership positions with organisations including Dr. Reddy’s Laboratories, Cipla, ELC Group and Roche, where I led multidisciplinary teams, complex development programmes and portfolio-level initiatives. I’ve worked closely with R&D, Regulatory, Medical Affairs, Safety, Market Access and Commercial teams, as well as health authorities, external experts and development partners.
I founded Reguclin to make this experience directly accessible to organisations that need senior pharmaceutical expertise without necessarily building a permanent leadership function.
Today, I work with pharmaceutical and biotech companies on strategic and project-based assignments, as well as fractional and interim leadership engagements. I particularly enjoy working on complex development questions where clinical, scientific, regulatory and business considerations need to come together to reach a practical decision.
Based in the Netherlands, I work globally. Outside my consulting work, I remain active in scientific and professional communities as a speaker, author and advisor. I have contributed to peer-reviewed publications and authored a chapter on clinical development in *Burger’s Medicinal Chemistry, Drug Discovery and Development*.