Confidence unlocks the full potential of your study through personalized service, global expertise and our ability to navigate complexity with ease.
With over 30 years of experience conducting clinical research, Confidence Pharmaceutical Research has successfully managed studies in almost every major therapeutic area, including rare diseases and large scale phase 3 outcomes studies.
Our Clinical Research Associates (CRAs) contribute an average of 16 years of experience in clinical research, with 13 years specifically devoted to CRA roles. Similarly, our Project Managers have an average of 23 years of field experience, with 14 years specialized in project management.
Our expertise has allowed us to recruit and manage tens of thousands of patients across hundreds of hospitals in dozens of countries, resulting in countless lives saved. We’re proud of our work and excited to share our knowledge with Sponsors to help shorten time to market and ultimately save more lives.
At Confidence, we are committed to advancing research in oncology, neurology, gastroenterology, dermatology, cardiovascular and coagulation disorders, ophthalmology, infectious diseases, orphan and rare diseases, and medical devices through high-quality clinical trials. Our focus spans a wide range of complex and high-impact conditions, from chemotherapy-induced complications and neurodegenerative diseases to inflammatory bowel disorders, rare conditions, and innovative device-based therapies. Through close collaboration and data-driven methodologies, we contribute to the development of transformative treatments that improve patient outcomes worldwide.
We design every trial strategy around your protocol—tailored to your goals, timelines, geographies, and complexity with precision.
Operating in 35+ countries, we deliver full-service capabilities through fast decisions, lean teams, and hands-on leadership.
Founded and led by MDs, we bring real medical insight to every decision—turning complex data into confident action.
Experienced and nimble global full-service Contract Research Organization effectively operating in the USA, Eastern and Western Europe, MENA, Latin America and APAC
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By operating responsibly and minimizing our environmental impact, we’re creating a healthier world for everyone, today and for generations to come.
Dr. Serge Varshavsky, once a prominent physician at the Department for Urgent Cardiology at the Research Institute of Cardiology in St. Petersburg, Russia, conducted groundbreaking research on the pre-hospital use of thrombolytic therapy in acute coronary syndromes. A year later, he was invited to serve as the national coordinator in the European Myocardial Infarction Project and founded Evidence Clinical and Pharmaceutical Research, one of the first Contract Research Organizations (CROs) in Eastern Europe. With headquarters in the San Francisco Bay Area, Evidence employed over 350 people, operated across five countries and managed hundreds of clinical trials.
After Evidence was acquired by a global CRO, Dr. Varshavsky and Dr. Kelman founded Confidence Pharmaceutical Research to share their clinical trial expertise and serve the biopharmaceutical industry worldwide.
With over 30 years of international clinical research experience, and a noteworthy career in medical practice at the Institute of Cardiology at the St Petersburg Institute of Research, Dr. Efim Kelman previously served as President and Chief Operating Officer at Evidence Clinical and Pharmaceutical Research. Here he oversaw all of the CRO’s clinical trials, including large-scale international studies and smaller studies in different indications. He co-founded Confidence Pharmaceutical Research and is now responsible for daily operations, resource management, and supervising most operational functions and studies (including Clinical Operations, Medical and Project Management, Quality Assurance, and Data Management).
Dr. Kelman holds an MD from Pavlov Medical University, St. Petersburg, and an MBA from the Stockholm School of Economics. He is based at Confidence’s corporate headquarters in Redwood City, California.
Anna Ravdel has over 20 years of business and operational experience in clinical research, working as a Project Manager and Director of Business Development for large and mid-sized CROs, collaborating with a range of pharmaceutical and biotech companies. With Confidence since its creation, she oversees the development and operational support of company strategies and operations (including Regulatory, Vendor Selection, Legal, Business Development, etc), and serves as a liaison between operational and supporting functional groups to enable the achievement of critical project and corporate goals.
Anna holds an MBA from the University of Manchester Business School, UK, and is based in Rhode Island in the United States.