Our Leadership

Sitero is a leading global provider of Clinical, Drug Safety and Review services serving pharmaceutical, biotechnology, and medical device companies.

Our team of experts brings a comprehensive portfolio of clinical research solutions, life science consulting, R&D technology, pharmacovigilance, and IRB/IBC solutions to help deliver the best possible outcome for our clients trials and their patients. Our end-to-end global clinical services and technology solutions are powered by a team with an unwavering dedication to serving clinical research and patients around the world.

Sankesh Abbhi - CEO Sitero



Sankesh is the CEO and founder of Sitero and is responsible for the strategy, direction and overall management of the organization. Sankesh was previously the CEO and President of ArisGlobal, which he successfully sold to Nordic Capital in 2019 and currently is a member of the Board of Directors. Prior to ArisGlobal, Sankesh founded and ran Synowledge, which he successfully grew and sold to BioClinica in 2015. Sankesh is based in Miami, FL and manages the day to day operations of Sitero LLC.
David Ingraham - President Sitero



As President, David heads Sitero’s daily operations and is responsible for achieving the company’s short and long-term goals and objectives. Prior to joining the Sitero team, David played various leadership roles in the Pharmaceutical and Life Sciences technology space, most recently as the SVP, Global Professional Services as ArisGlobal where he was a member of the Executive Team and played a key role in the successful acquisition by Nordic Capital.

We focus on innovative, technology enabled solutions that allow our clients to focus on their core strengths.

Sitero Clinical Trial Services Symbol
Ashok Katti - Chief Technology Officer Sitero


CTO & President APAC

Ashok heads Sitero’s technology offerings and global IT teams. Ashok is a proven Life Sciences and Technology executive with a long track record of building market leading software and playing an integral role in the successful growth of businesses. Ashok worked for more than 25 years at ArisGlobal and most recently held the COO / CTO and President of APAC positions, in which he led the operations and delivery through the successful acquisition of ArisGlobal by Nordic Capital. Ashok was also the COO of Synowledge and helped drive the rapid growth that led to the acquisition by Bioclinica in 2015. Ashok is based in Bangalore, India.
Colleen - SVP, Global Delivery & Customer Success - Sitero


SVP, Global Delivery & Customer Success

As SVP – Global Delivery and Customer Success, Colleen is responsible for successful delivery of the Sitero portfolio of technologies and services. With her extensive background in the Pharmaceutical and Life Sciences Industry, she is a key contributor to our customer loyalty and satisfaction. Prior to joining Sitero, Colleen held key leadership positions in BioClinica, WCG and Clarivate Analytics delivering pharmacovigilance, Clinical/IRB and Real World Data solutions to the industry. Colleen resides in New Jersey.
Parker Nolen - Vicepresident IRB Services Sitero


Vice President, IRB Services & Consulting

Dr. Nolen’s career in research compliance has spanned major academic institutions, regional healthcare systems, commercial IRBs, and private physician-initiated research programs throughout North America. He has also worked with the Air Force Surgeon General’s Office and the Office of the Undersecretary of Defense (Research and Engineering) where he supported the operation and oversight of both the Air Force Medical Readiness Agency and the global oversight of the DoD’s Human Research Protection Programs (HRPP). Dr. Nolen has been instrumental in the strategic realignment of several HRPP Compliance Programs and is considered a pioneer in the use of Artificial Intelligence in IRB operations.
Sarah Ziegler - Vice President, IBC and Biosafety Services - Sitero


Vice President, IBC and Biosafety Services

Dr. Ziegler is responsible for leading the Biosafety and IBC services at Sitero. Sarah was previously the Deputy Director of the National Bio and Agro-Defense Facility (NBAF) with the USDA where she supervised laboratory operations and Biorisk management.
Sarah is an ABSA certified biosafety professional and is passionate about ensuring the safety of workers and the community during biomedical research. She has previously served as an IBC chair, Biosafety Officer and Responsible Official for multiple research institutions. She has also consulted on projects as an SME for Select Agents, Biorisk Management, facility design and Laboratory Operations. Sarah received her Ph.D. from the University of Texas Medical Branch in Biomedical Science and was a Post-doctoral Fellow in the National Biosafety and Biocontainment Training Program (NBBTP).
Don Bodnar – VP Finance and Accounting - Sitero


VP, Finance and Accounting

As VP – Finance and Accounting, Don heads Sitero’s day-to-day finance and accounting operations. Don was the co-founder and CEO of Axiom Mentor prior to the acquisition by Sitero. A serial entrepreneur, Don has launched successful technology companies that serve the life sciences, education and financial sectors. He brings a wealth of executive management and operational experience in areas including legal, finance, accounting, project management and Human Resources. Don has experience in both the domestic and international arenas and has a BSEE from Bridgeport Engineering Institute.
Curt Naser - VP Product - Sitero


VP, Product

As VP – Product, Curt manages the development, implementation and support teams for Sitero Mentor platform. Curt was a co-founder and Chief Product Officer of Axiom Mentor prior to the acquisition by Sitero. Curt has spent over 25 years working with Institutional Review Boards (biomedical, corporate and social science) as a bioethicist. He serves as a consultant for institutions on IRB’s and academic institutional research practices. As Chief Product Officer, He received his Ph.D. from Stony Brook University in Philosophy and was a professor of health care ethics for over 20 years.
Neha Sood - Director, Clinical Drug Safety - Sitero


Director – Clinical Drug Safety

As Director – Clinical Drug Safety Services, Neha Sood manages our Clinical Drug Safety offering and brings extensive PV expertise to Sitero. Her experience expands across managing all pre- and post-marketing PV operations with activities ranging from case intake to case submission; data-migration and safety database implementations; clinical trial safety activities; literature surveillance; aggregate reporting; safety evaluation and risk management; QPPV support and PSMF maintenance services. She was instrumental in establishing GVP Compliant PV processes for several global pharmaceutical companies in her previous roles and is based out of the United Kingdom.
Amma Boadu - MD, MPH Director Clinical Operations - Sitero


Director – Clinical Operations

Amma is a Medical Doctor that is based in US and is the Director of Clinical Operations at Sitero. Amma has over 12 years of Oncology project management and oversight experience [Phase I-IV]. The past few years have been primarily focused on immuno-oncology therapy and Gene therapy studies. Amma leads/provides team oversight for site identification, study start-up feasibility, patient recruitment, and budgeting and trial operations/conduct. She has established relationships with other physicians and key opinion leaders in CROs across the US.
Zina Khader - Director – Business Development - Sitero


Director – Business Development

Zina Khader heads Sitero’s Business Development team and is an infectious disease Epidemiologist. Zina has experience in the areas of scientific research and business development in both private and government sectors. Her previous experience includes the CDC’s emergency response office during Ebola, Polio, Zika, and COVID-19; Opioid trial design in Pain Management settings; Healthcare Management; Decentralized clinical trials, and R&D in alternative therapies to reduce Opioid addiction. Zina earned her Master’s in Public Health at Mercer University School of Medicine in Atlanta, Ga.
Robert Rivas - Finance - Sitero



Roberto leads our Finance team at Sitero. Roberto works closely with our internal teams to implement financial best practices, manage our accounting, taxes and FP&A to ensure we achieve operational excellence. He also plays a key role in Sitero’s Corporate Development activity to assess the financial strengths and opportunities of potential organic and inorganic growth opportunities. Roberto has played key finance and accounting roles with various national real estate, medical device and technology companies. He is located in Miami Florida.