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About Us

Helping biopharma improve the patient treatment experience

About Us​

Helping biopharma improve the patient treatment experience

team meeting with women speaking and a bar chart on the screen in the background

Claritas Rx Harnesses Data and AI to Maximize Patient Support and Therapy Outcomes for Life-Threatening Diseases

At Claritas Rx, our mission is to ensure that patients with chronic, life-threatening diseases receive the support they need to get the most from their therapies.

Headquartered in South San Francisco, Claritas Rx is a technology company specializing in real-world data management for specialty biopharmaceutical distribution, with a focus on oncology and rare/orphan diseases. Since 2011, we’ve helped illuminate brand performance and the patient journey for dozens of therapies, delivering actionable business intelligence that empowers manufacturers to go to market more effectively and enhance the patient experience.

Mike Fitzgibbons Headshot

Mike Fitzgibbons | CEO & Founder

Before founding Claritas Rx, Mike played a number of roles in marketing and managed care at Genentech. His work spanned life cycle planning, commercial launch preparation, pricing strategy and distribution strategy.
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Kevin Donalds Headshot

Kevin Donalds | CFO

Kevin is an accomplished financial leader with a track record of guiding emerging SaaS companies to success. He has been the CFO at several highly successful B2B SaaS companies, including Granular, Tutor.com and Popkin Software.
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Bhupesh Bajaj Headshot

Bhupesh Bajaj | CTO

Bhupesh leads our product development efforts as CTO. He is a seasoned engineering and product executive with extensive background in building patient, provider and payer facing products.
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Headshot Stuart Kamin

Stuart Kamin | SVP, Analytics & Innovation

Stuart is a healthcare analytics specialist. As SVP of Analytics and Innovation, he manages the strategic direction and deployment of the Claritas Rx technical platform to support launches for innovative specialty medicines.
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Athena Uzzo

Athena Uzzo | SVP, Customer Experience

Athena has over 15 years of experience in clinical trials management and software commercial operations as well as working in growing technology companies. Prior to joining Claritas, Athena was the Vice President of Customer Success at Core Informatics, a SaaS company
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Bob Piwko, VP Business Development at Claritas Rx

Bob Piwko | VP, Business Development

As Vice President of Business Development, Bob leads the Claritas Rx sales team, focused on the expansion and nurturing of relationships with existing customers while also driving the acquisition of new ones.
Read More
Elizabeth Marshall headshot

Elizabeth Marshall | VP, Marketing

Elizabeth is an award-winning Marketing and Communications professional. With over 25 years of both in-house and agency experience, she has held Marketing leadership positions within the life sciences industry with Decision Resources Group and most recently Trinity Life Sciences.
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Mike Fitzgibbons Headshot

Mike Fitzgibbons | CEO & Founder

Before founding Claritas Rx, Mike played a number of roles in marketing and managed care at Genentech. His work spanned life cycle planning, commercial launch preparation, pricing strategy and distribution strategy.
Read More
Hilzinger Humana Headshot

Kurt J. Hilzinger, CPA

Kurt Hilzinger is a Partner with Court Square Capital Partners, a private equity firm based in New York City, where he is focused on making investments in the healthcare industry. Since 2003 he has also been on the board of Humana, including serving as lead director from 2010 to 2014 when he became chairman of the Board.
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Zack King headshot

Zackary King

Zackary King is a founder, CEO, investor, and advisor who is passionate about creating transformative companies in the life sciences and healthcare industries that accelerate performance and improve patient outcomes. As the former CEO and founder of SHYFT Analytics, Zack built the company into a leading platform
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Aabed Meer Questa Headshot

Aabed Meer, MD

Aabed is a Partner at Questa Capital and has more than 15 years of investment and healthcare experience. Previously, he was a Director and member of the founding team at Martis Capital, where he focused on private equity investments in the healthcare sector. Prior to that, he was with Capricorn Investment Group, ExploraMed Development, and New Enterprise Associates.
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Headshot Brad Sloan Questa

Bradley Sloan

Bradley Sloan is a Managing Partner at Questa Capital. He has spent over 20 years in the healthcare industry and has been investing in the space since 1999. During his investment career, Brad has been involved with 16 company boards of directors and the deployment of over $500 million in equity capital in the healthcare services and healthcare technology sectors.
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AWARDS & INDUSTRY RECOGNITION

Claritas Rx works every day to ensure that patients with chronic and life-threatening diseases receive the support they need to benefit from their therapies, utilizing technology and analytics to enhance care and performance for biopharma partners. Recognition for these efforts reinforces Claritas Rx’s commitment to making therapy access and outcomes better for patients through integrity, actionable insight, and excellence.

Claritas Rx Named to the 2025 Inc. 5000 List

The most respected ranking of the fastest-growing private companies in America, this list provides a data-driven snapshot of the most successful companies within the economy’s most dynamic segment—its independent, entrepreneurial businesses.

Claritas Rx Named to Inc.’s 2025 Best Workplaces List

Claritas Rx Named to Inc.’s 2025 Best Workplaces List

Inc. recognizes the businesses that set the standard for workplace success and awards excellence in company culture.

NASP Strategic Channel Partner 2025 Award for Claritas Rx

Claritas Rx Wins NASP Strategic Channel Partner of the Year

This prestigious award highlights our leadership in transforming specialty pharmacy care and recognizes our commitment to making a lasting difference for patients, providers, and partners at every stage of the journey.

Come Work with Us
women's finger touching data matrix

About Claritas Rx

Claritas Rx started in 2011 with a simple vision: to tangibly improve how biopharmaceutical manufacturers understand their specialty product performance in the marketplace. Since then, Claritas Rx has grown from a small-channel data consultancy to become a pioneer in patient-level data integration and analytics for the biopharmaceutical industry. Today, our customers range from small biotechnology companies launching their first specialty product to large global manufacturers with a strong portfolio of specialty products.

Headquartered in the San Francisco Bay Area, Claritas Rx employs a team of developers, customer solutions experts, and analysts in key areas of the US, able to nimbly deliver solutions to our customers wherever they are located.

Contact Us
Mike Fitzgibbons Headshot

Mike Fitzgibbons | CEO & Founder

Before founding Claritas Rx, Mike played a number of roles in marketing and managed care at Genentech. His work spanned life cycle planning, commercial launch preparation, pricing strategy and distribution strategy. The combination of Mike’s experience in Genentech’s Managed Care and Customer Operations organization and his time on the Avastin Marketing Team led to Claritas Rx’s focus on leveraging patient-level data to tangibly improve how companies understand product performance and support patients through their treatment journey. Prior to Genentech, Mike was an equity research analyst at Morgan Stanley covering pharmaceutical services, drug distribution and healthcare information technology. He holds the Chartered Financial Analyst (CFA) designation.
Kevin Donalds Headshot

Kevin Donalds | CFO

Kevin is an accomplished financial leader with a track record of guiding emerging SaaS companies to success. He has been the CFO at several highly successful B2B SaaS companies, including Granular, Tutor.com and Popkin Software. His financial acumen is further sharpened by his leadership roles at industry giants like Priceline and META Group. Kevin launched his career in public accounting with Deloitte, building a solid foundation for his exemplary financial management skills. He holds a BS in Accounting from the University of Rhode Island and is a Certified Public Accountant.

Bhupesh Bajaj Headshot

Bhupesh Bajaj | CTO

Bhupesh leads our product development efforts as CTO. He is a seasoned engineering and product executive with extensive background in building patient, provider and payer facing products. Prior to joining ClaritasRx, He was at McKesson leading product and engineering for the revenue cycle suite of products. Bhupesh joined McKesson in early 2023 via acquisition of his startup Glide Health, which he founded in 2019. Prior to founding Glide Health, Bhupesh was VP of Engineering at Change Healthcare, held engineering leadership roles at Cardinal Health and led many technology engagements at Deloitte. Bhupesh holds a Master’s in Engineering Management degree from Case Western Reserve University, Cleveland and Bachelors in Engineering degree from NIT Jalandhar, India.

Headshot Stuart Kamin

Stuart Kamin | Senior Vice President, Analytics & Innovation

Stuart is a healthcare analytics specialist. As SVP of Analytics and Innovation, he manages the strategic direction and deployment of the Claritas Rx technical platform to support launches for innovative specialty medicines. He built his expertise in specialty channel data through his previous work in lifecycle pricing and contract strategy at Genentech and in global consulting with IMS Health. Stuart holds dual MBA and MPH degrees from UC Berkeley and a BS in Psychobiology from UCLA.

Athena Uzzo Headshot

Athena Uzzo | Senior Vice President, Customer Experience

Athena has over 15 years of experience in clinical trials management and software commercial operations as well as working in growing technology companies. Prior to joining Claritas Rx, Athena was the Vice President of Customer Success at Core Informatics, a SaaS company that developed a scientific data management platform for researchers and that was acquired by Thermo Fisher Scientific in 2017. In earlier positions, Athena was the Head of Clinical Trials Project Management at Cogstate, Inc., a technology company that designs computerized tests to measure cognitive effects of investigational products, and Manager of Clinical Affairs at M2S, Inc, a MedTech company providing technology and services for the healthcare industry to manage clinical information for improving the quality of patient care. Athena holds a BA in Chemistry from Boston University and an MS in Pharmacology & Toxicology from Dartmouth College, as well as certifications in Project Management and Lean Six Sigma process training.

Bob Piwko

Bob Piwko | Vice President, Business Development

As Vice President of Business Development, Bob leads the Claritas Rx sales team, focused on the expansion and nurturing of relationships with existing customers while also driving the acquisition of new ones. With over 25 years of pharmaceutical experience, spanning roles in both industry and at solution providers, Bob brings a depth of expertise to his position. Before joining Claritas Rx, he managed business development and marketing at Red Nucleus, a firm providing commercialization services and SaaS technology solutions across the pharmaceutical value chain. His experience also includes leadership positions in sales and account management at C3i Solutions, specializing in life sciences commercial and clinical outsourcing services. Prior to C3i, Bob managed commercial operations processes, data, and systems at Bayer and held several positions in the pharmaceutical practice at KPMG Consulting. A former member of the United States Navy’s nuclear submarine force, Bob earned a degree in Mechanical Engineering from the University of Notre Dame.

Elizabeth Marshall headshot

Elizabeth Marshall | Vice President, Marketing

Elizabeth is an award-winning Marketing and Communications professional. With over 25 years of both in-house and agency experience, she has held Marketing leadership positions within the life sciences industry with Decision Resources Group and most recently Trinity Life Sciences. Elizabeth has led multiple brand integrations and evolutions following acquisitions, developed customer-centric thought leadership programs and specializes in public relations. She holds a B.S. from the Newhouse School of Communications at Syracuse University and an MBA from Boston University, where she has lectured on ethics in Marketing.

Hilzinger Humana Headshot

Kurt J. Hilzinger, CPA

Kurt Hilzinger is a Partner with Court Square Capital Partners, a private equity firm based in New York City, where he is focused on making investments in the healthcare industry. Since 2003 he has also been on the board of Humana, including serving as lead director from 2010 to 2014 when he became chairman of the Board. Previously, Kurt served as President and Chief Operating Officer and earlier as Executive Vice President and Chief Financial Officer of AmerisourceBergen Corporation, one of the worlds’ largest pharmaceutical services companies serving the United States, Canada and related global markets. In addition, Kurt also currently serves on the Board of NDC, Inc. (a Court Square portfolio company), the Board of Directors of Oncobiologics, Inc., and the Visiting Committee at the Ross School of Business at the University of Michigan. Kurt previously served on the Claritas Rx Advisory Board, since January 2016.
Zack King headshot

Zackary King

Zackary King is a founder, CEO, investor, and advisor who is passionate about creating transformative companies in the life sciences and healthcare industries that accelerate performance and improve patient outcomes. As the former CEO and founder of SHYFT Analytics, Zack built the company into a leading platform for commercial and real-world data analytics, with products designed specifically for the pharmaceutical, biotech, and medical device industry.

Zack currently holds advisory and board member positions at andros and SecZetta, and is a limited partner at Activate Venture Partners. Previously, Zack was a combat flight paramedic for the United States Army’s 101st Airborne Division, a graduate of the elite Army Air Assault School, and received the Army Commendation Medal for heroism and meritorious achievement. Zack was recognized by Ernst & Young as an Entrepreneur of the Year finalist in 2014. Earlier in his career he was a software engineer and attended Bentley University’s Computer Information Systems program.

Aabed Meer Questa Headshot

Aabed Meer, MD

Aabed is a Partner at Questa Capital and has more than 15 years of investment and healthcare experience. Previously, he was a Director and member of the founding team at Martis Capital, where he focused on private equity investments in the healthcare sector. Prior to that, he was with Capricorn Investment Group, ExploraMed Development, and New Enterprise Associates. In these roles, he partnered with founders and management teams in the healthcare sector to develop new investment opportunities, structure creative investment solutions, and execute on strategic growth plans. Early in his career, Aabed contributed to the Human Genome Project, an international research effort funded by the National Institutes of Health. He also worked on health economics and policy matters at Kaiser Permanente and the U.K.’s National Health Service. Aabed graduated from Harvard University with an AB in Biochemical Sciences, and from Stanford University with an MD and MBA. He completed his residency training at Stanford University and continues to serve on the medical faculty as a Board-Certified Internal Medicine physician.
Headshot Brad Sloan Questa

Bradley Sloan

Bradley Sloan is a Managing Partner at Questa Capital. He has spent over 20 years in the healthcare industry and has been investing in the space since 1999. During his investment career, Brad has been involved with 16 company boards of directors and the deployment of over $500 million in equity capital in the healthcare services and healthcare technology sectors. Prior to co-founding Questa, Brad was a senior investment professional at Parthenon Capital, a growth oriented private equity firm, where he helped lead their healthcare investment practice. During his time there, he deployed over $300 million in equity capital and served on eight different boards of directors. Prior to Parthenon, Brad worked at Broadlane, Inc., a healthcare technology company, where he was a member of the Executive Management Committee. Brad previously worked in a variety of healthcare investment roles at MTS Health Partners and Evercore Partners in their New York offices. Brad started his career in the Healthcare Investment Banking Group at Bear, Stearns & Co. Inc. in New York. Brad graduated from the University of North Carolina at Chapel Hill with a BA with distinction in Economics and concentration in Finance.