Our partners have access to us anytime

Feel free to contact us anytime. Our business is built on integration of all our teams working in unison for our sponsors. Biorasi culture begins with hiring the best – from industry and regulatory agency veterans, to promising young talent on the rise. Clinical Research Optimized™ hinges on strong leadership with a defining vision for our company and with unparalleled commitment to excellence in the services we provide to you, our sponsors and partners.

Chris O’Brien
Chris O’BrienCEO
Chris O’Brien has led global businesses across a number of sectors including life sciences and financial services. He focuses on building strong teams that understand client need and apply process thinking and technology to deliver breakthrough results.
Wayne Bowden
Wayne BowdenVP of Partnerships and Strategy
Wayne Bowden is an accomplished researcher and executive, combining the scientific knowledge to understand the most intricate details of clinical research and the business experience to shepherd those trials to success.
Nilu Celenk
Nilu CelenkVP, Project Management
Nilufer Celenk has over 17 years of operations and project management experience. Her responsibilities include building out Biorasi’s project management team, as well as leading sponsor projects. She holds an MBA from Loyola University and a B.S. from Istanbul Technical University.
Brian Chaiken
Brian Chaiken General Counsel
Brian Chaiken has 25 years of legal and management experience across several industries including telecommunications and agri-technology. In addition to forming his own law practice, Brian has also served as a public company CFO, and worked with the SEC, FDA, USDA, FCC, FINRA and other government agencies within and outside the US. He has an entrepreneurial spirit, and enjoys working with teams to create value for all stakeholders.
Becky Knockemus
Becky Knockemus VP of Program Development
Becky Knockemus has more than 25 years of sales, operations, and executive management experience in the healthcare industry. Her responsibilities include pipeline development and sales management, as well as developing short and long-term sales strategies to further Biorasi’s healthy growth trajectory. Previously, Becky served as Group Vice President of Business Development for AmerisourceBergen, a global healthcare solutions company.
Janice James-Mitchell
Janice James-Mitchell Manager, Human Resources
Janice James-Mitchell has been a part of the Biorasi team since 2013, originally serving on the Quality Assurance team and now in the position of HR Manager. Prior to joining Biorasi, Mrs. Mitchell worked for a Continuing Medical Education and Research company IMER, serving as both as their Human Resource Associate and Bookkeeper. She is proud to bring her drive, passion, empathy, and enthusiasm to Biorasi.

Scott Nenninger
Scott Nenninger CFO
Scott brings broad financial and executive leadership skills that he developed at large publicly traded companies including Experian, Nielsen and Dun & Bradstreet. Most recently Scott was CFO for privately held Clarity Insights, where he partnered with the executive management team to deliver sustained growth and expanding margins resulting in the successful sale of the business to Accenture.
Sagar Patil
Sagar PatilHead of Operations in India
Sagar is the Head of Operations in India and has over 18 years of rich experience in Pharmaceutical & CRO R&D operations. Sagar is a proven leader in operations management and has worked in many areas in clinical research including project management and vendor oversight.
Boris Reznik, PhD
Boris Reznik, PhDFounder
Boris Reznik, PhD, is a veteran of multiple startups and is backed by a track record of building companies across a diverse set of industries. Dr. Reznik leads Biorasi with a strong focus on processes and systems – a unique perspective in the CRO world.
Lindsey Rios
Lindsey RiosSenior VP, Project Operations
Lindsey Rios has been with Biorasi for over a decade and understands complex projects better than anyone. Ms. Rios heads up a large, geographically dispersed team and contributes heavily towards Biorasi’s operational excellence.
Hartmut Schmied, MD
Hartmut Schmied, MDVP, Head of Regional Operations
Hartmut Schmied has over 25 years of experience in clinical research. He held high-level strategic positions in Project Management and Medical Affairs in the pharmaceutical and CRO industry.
Roberto Silberwasser
Roberto Silberwasser VP, Data Sciences & Biometrics
Roberto brings 18+ years of experience in the healthcare industry, leading multiple technical and product development teams. He is focused on optimizing Biorasi’s unique approach to clinical data analysis, combining rigorous data management and biostatistics with innovation in on-study analytics, to deliver data integrity and transparency. He holds an MBA from the Harvard Business School and a BSc in Industrial Engineering (Cum Laude) from the Technion (Israel Institute of Technology).
Mamta Trivedi
Mamta Trivedi VP of Quality and Pharmacovigilance
Mamta joined Biorasi as the new VP of Quality Assurance for Global operations in November 2019. Mamta comes to us with an extensive background in pharma and QA, including time with Quintiles, Spectrum, Regeneron, Amgen and others. Her experience extends beyond QA and includes leadership roles in supply chain, quality control and data management.