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About Us | Dr. Stephan Limmer

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Summary Profile

I as a chemist and pharmacist have more than 15 years of expertise in strategic procurement of APIs, technical transfers of custom made APIs and pharma drug products, quality assurance, lead auditor, R&D, project management and as Qulified Person and team leader. Proven record in doing business with international operating suppliers based on a good understanding of internal clients's needs. Excellent communication skills and a good sense in working with people with different cultural background. Currently I am nominated QP in Bavaria. Member of the European and German QP Association. 

Summary Professional Career 

From 2000 until 2013 I worked for Intervet International, a Dutch company and world leader in the veterinary industry, since 2010 a subsidiary of MSD. Last position held: departmental head Strategic Procurement for active ingredients worldwide. Previous positions: global purchasing manager and development project transfer coordinator. From 1997 until 2000 I held for Bayer AG Animal Health Germany various positions in R&D. Before that I obtained my degrees in chemistry and pharmacy.

Main working areas during my professional career were

Procurement

  • Managing procurement for active ingredients with a budget more than 70 million US$ spend and supporting business of more than 500 million US$
  • Setting procurement strategy for active ingredients
  • Supplier selection, supplier qualification and supplier management
  • Negotiation of supply agreements and supply conditions
  • Support of creating synergies in procurement triggered by acquisition (2007 by Schering Plough, US and 2010 by Merck&Co, US)
  • Project management for custom made active ingredients (technical matters, quality, regulatory affairs)

Quality and R&D

  • Developing and managing a quality assurance system for R&D
  • Qualified Person for clinical trial material
  • GMP lead auditor with focus on active ingredient manufacturers (more than 40 audits)
  • Head of central CMC (part 2) document center for Bayer Animal Health
  • Active member in R&D projects for veterinary products representing procurement or operations
  • Managing stability studies for development products
  • Formulation development

Technical transfers

  • Management of all technical transfers from R&D to operations worldwide for drug products
  • Standardization of business processes for technical transfers

Others

  • Member of steering committee for building a workshop for sterile, cephalosporin containing drug products
  • Leading teams of professionals (direct reports or project team members)

© Stephan Limmer Pharma Consulting, Waldkraiburg, 2025

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Dr. Stephan Limmer
Managing Director

Sonnenstrasse 14B
84478 Waldkraiburg
Germany

Phone +49 (0) 8638 696 1821
Mobile: +49 (0) 176 9765 9558
info@limmerconsulting.com