Dr. Sandra Stark joined Velocity Clinical Research after 18 years at Parexel where she held various positions in Project Management, Business Development and Portfolio Management. After leading the Therapeutic Area of Immunology/rare Diseases in Early Phase for 7 years she took on the role of Unit Head of Parexel’s Phase 1 unit in Berlin, Germany, a 120 bed Clinical Pharmacology clinic. Moving from sponsor/CRO to Velocity Clinical Research not only closes the loop full circle; it expands her experience into late-stage development.

Dr. Stark brings 20+ years in both in CRO and biopharmaceutical industry with a broad experience in Early Drug Development, Translational Medicine, Pre-clinical, and thorough strategic development focus on fast and efficient POC to support go/no-go decisions for late-stage development.

Dr. Stark holds a Diploma in Biology from Kassel University and a PhD in Immunology/Immunogenetics from University of Göttingen.

Dr. Lehretz currently serves as the Medical Director of Velocity Clinical Research Leipzig, where she manages site principal investigators and sub-investigators, and is responsible for principal investigator responsibilities. In this role, she also plays an active role in commercial development for the site and collaborates with Business Development and Business Operations teams. She also serves as a liaison between pharmaceutical and CRO medical directors, providing clinical content and consulting expertise on protocol study design to sponsors and CROs.

Prior to this, Dr. Lehretz held the position of Head of Clinical Research at eCovery GmbH, where she was responsible for designing and executing clinical studies, managing regulatory processes and project management, and overseeing Clinical Trial Managers.

She has also served as a Senior Clinical Research Physician at Parexel International and as a Clinical Research Physician at SIBAmed GmbH und Co. KG, where she was involved in clinical trials phase 2-3, MPG and register studies, managing site principal investigators and sub-investigators, and working with pharmaceutical and CRO companies. Dr. Lehretz received her medical degree from Martin-Luther-University Halle.

Kai Mehltretter is a highly experienced and qualified investigator with over 20 years of experience in the field of clinical research. He currently works as a freelance Clinical Investigator at Velocity Clinical Research Leipzig GmbH, and as a freelance Pharmacovigilance Consultant. Before joining the SIBAmed/Velocity team, he was a consulting physician for major pharmaceutical companies and Head of a CROs Pharmacovigilance Department at IST GmbH Mannheim. 

Kai Mehltretter has also held roles in various organizations, including Team-Lead Investigator for Phase I-II Clinical Studies at IKP GmbH Grünstadt and CRS Clinical Research Services Mannheim GmbH, as Freelance Clinical Investigator and Consultant at Abbott GmbH & Co KG Ludwigshafen, and as Assistant Physician at the Ophthalmic Clinic, Ruprecht-Karls-University Heidelberg. 

Kai Mehltretter is highly educated and holds medical registration from Ruprecht-Karls-University Heidelberg. He has made publications in the fields of Ophthalmology and Pharmacokinetics/Pharmacodynamics.

Dr. Thomas Müller is a specialist in pediatrics working as a Principal Investigator and Specialist at Velocity Clinical Research Leipzig GmbH and previously at SIBAmed Study Center in Leipzig, Germany. In parallel, he works as a pediatrician in the Leipzig family medicine practice FMZ Radowsky.

He has also worked as a Medical Specialist for pediatrics with psychiatric/neurological disorders at the Helios Clinic, Social pediatrics center in Leipzig. They have over a decade of experience in the field, having served as a Resident in pediatric medicine at Helios Clinic and as a Resident in internal and general medicine at DIAKOMED - Diakonie Hospital.

Miriam Noel is a highly experienced and skilled healthcare professional with a diverse background in nutrition, dietetics, and clinical research. She currently serves as the Center Manager and Study Coordinator at Velocity Clinical Research Leipzig GmbH, a position she has held since 2016. Prior to that, she worked as a Study Coordinator at Study Center Medica Clinic in Leipzig, Germany, and at the Dept. Of Nephrology at the University Clinic in Essen, Germany. Throughout her career, Miriam has also been involved in a variety of research studies and clinical trials, including those related to kidney transplantation, atopic dermatitis, and pharmacokinetics.

Miriam has a strong educational background in nutrition and dietetics. She earned a Bachelor of Science with honors in Nutrition at Acadia University in Wolfville, Canada before completing her internship as a Dietetic at the University Health Network of Toronto, Canada, to become a registered dietitian. She began her career working at the Toronto Western Hospital before moving to London, UK. There she worked as a Locum In and Out-Patient Dietitian at Newham University Hospital and North Middlesex Hospital, and a Community Dietitian at Guys and St. Thomas Hospital Trust.

In addition to her professional experience, She also received training in advanced life support, injection technique training, and various study specific trainings for electronic data entry.