Meet Our Team

Your partners in progress: Turning research challenges into solutions every day.

team members

Our diverse backgrounds in lifesciences, healthcare & technology come together under the single obsession of improving clinical research.

  • Cal Collins

    Cal Collins

    Co-Founder and CEO

    Career entrepreneur. 20 years in leadership roles for software companies, focusing on technology/innovation, sales & delivery for key accounts, and finance. 15 years experience in eclinical domain. A.B. Magna Cum Laude Harvard College.

  • Ben Baumann

    Ben Baumann

    Co-Founder and COO

    Ben Baumann has been working in the clinical research field for 16 years. He co-founded OpenClinica with colleague Cal Collins to make it easier for study teams to carry out high-quality clinical research using modern technology. As OpenClinica’s Chief Operating Officer, Mr. Baumann has helped develop the company into a leading provider of cloud-based solutions that help automate and accelerate clinical trials, while delivering an industry-leading user experience. His passions include finding human-centric ways to unlock existing sources of real-world data for clinical research. In his downtime he enjoys gardening, spending time with his wife and children, and recreating outdoors in the great state of Maine. Ben holds a B.A. with honors from Harvard College.

  • Andrea Flathers headshot

    Andrea Flathers

    Vice President, Client Services

    Joined OpenClinica in August 2020 and is responsible for leading our professional services, customer support and customer success teams. In industry since 2008, she has vast experience in leading implementations and support for eclinical solutions partnering with Sponsors, CROs and AROs. Prior to OpenClinica, she held various positions at Veeva Systems and PhaseForward (now Oracle) within the professional services realm.

  • Chris Weiss headshot

    Chris Weiss

    Vice President, Sales

    Since 2020, Chris’s deep, hands-on experience with the OpenClinica suite of solutions has made him a key member of our team. He has over 20 years of experience in leadership roles across clinical research and data analytics organizations spanning public companies, startups, consulting firms and academia. Chris earned a bachelor of arts in computer science from Dartmouth College.

  • Paul Bowen

    Paul Bowen

    Vice President, Product

    Joined OpenClinica in 2016. Instrumental in building our scalable product team. Highly cross-functional software development expert with over 15 years of eClinical product development experience. Prior roles include senior product owner at Clinical Ink and senior product manager at Outcome Sciences/Quintiles (now IQVIA).

  • Shiva Vadla

    Shiva Vadla

    Vice President, Engineering

    Shiva has been a core team member at OpenClinica since 2017.  He is instrumental in creating our high quality, agile engineering team. Total of 13 years experience as hands-on engineer, architect, and team lead working with leading edge technologies. Prior to OC, led the engineering product team at Vecna, an innovative health IT company building patient self-service technologies.

  • Rob Rittberg

    Rob Rittberg

    Senior Director, Sales

    Rob has been part of the OpenClinica team since 2013. His role has evolved leading both sales and marketing to his current home as senior director of sales. His skills are highly cross-functional. Rob is a superb team player. Prior to OpenClinica, Rob served as Global Marketing Manager, Clinical Research Research Analytics, PerkinElmer.

  • Mary Lou McCoy OpenClinica Marketing Director

    Mary Lou McCoy

    Director, Marketing

    As director of marketing, Mary Lou oversees all aspects related to strategy, production and execution of OpenClinica marketing initiatives. Her bias for data-driven action and business acumen strengthen the company’s market presence and give voice to our family of solutions. With over 20 years experience spanning healthcare data analytics, startups, political advocacy and freelance, Mary Lou is a valued member of our team. She holds a bachelor of science in business administration, Southern New Hampshire University, summa cum laude.

Join our Team

At OpenClinica, we’re not just coworkers—we’re a squad on a mission to revolutionize clinical research. We mix innovation with collaboration and sprinkle in a bit of humor along the way. If you’re ready to work smart, have fun and make a real-world impact, we’ve got a spot for you!

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