Meet the experts behind your projects

International Market Access Consulting (IMAC), consists of a global team of passionate individuals with decades of industry and consulting experience. Our team provides custom, high-impact, market access strategies and specialized, evidence‑based tools to effectively communicate the value of your product to key stakeholders in the payer landscape. As a specialist market access consulting company with a proven track record of success, we possess a high level of technical and scientific expertise to help our clients achieve their goals of optimized patient access for their products.

Alexander Callan

Senior Consultant, Medical Writer

Alexander is a medical writer with over five years of experience specializing in health technology assessment (HTA) and reimbursement submissions across North American and European markets. He has a strong track record of translating complex clinical and pharmacoeconomic data into clear, evidence-based materials that support market access and payer decision-making.

Beyond HTA submissions, Alexander has contributed to a diverse portfolio of projects, including global value dossiers, real-world evidence strategies, and educational materials for healthcare and pharmaceutical professionals. His experience spans a diverse range of therapeutic areas, including oncology, dermatology, cardiology, nephrology, and immunology.

Alexander holds a PhD in Neurobiology from LMU Munich and has authored several peer-reviewed publications. He applies scientific rigour and meticulous attention to detail to develop impactful, evidence-based narratives that support client objectives.


Where expertise drives strategy

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