ABOUT ONSERA

Cardiometabolic care is broken.
We fixed it.

A fully coordinated system designed to treat root causes, not fragments—driving outcomes traditional models can’t deliver.

Cardiometabolic care is our life’s work. Better adherence. Lower cost. Measurable outcomes.

Our mission

At Onsera Health, we reject one-size-fits-all care. Health is complex. It’s interconnected. And it demands more than quick fixes or surface-level answers. Our mission is to raise the bar by delivering precision, proactive, and deeply personalized care built around the full picture of you: your biology, your lifestyle, and your long-term goals.

To treat the root causes of preventable illness by delivering comprehensive, deeply personalized, and evidence-backed weight management and cardio-metabolic care To advance global health by eliminating obesity and metabolic disease as primary drivers of preventable illness, thereby improving lifespan and quality of life for all

Our
Leadership Team
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Advisors
CEO
Jeff Bernhard
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Built, scaled, and successfully exited two healthcare services companies. Former President and senior executive at BCBS and Aetna, where he led $3–$4B business units. Deep, longstanding relationships with Fortune 500 employers and national benefits consultants.

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Chief Medical Officer
Dr. Kristin Baier
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Former CMO at Vineyard and VP of Clinical Development at Calibrate. Over a decade of experience scaling evidence-based cardiometabolic programs, with a focus on clinical rigor and real-world outcomes.

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Head of Engineering
Tom Taylor-Vigrass
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Former lead technical architect at QuantumBlack, where he built ML-driven engagement platforms for top pharmaceutical companies. Leads development of Onsera's AI platform, delivering 360° health profiles and next-best-action optimization.

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Head of AI
Mikheil Oganesyan
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Expert in deploying production-grade healthcare AI at scale. Former Head of AI at Circadia Health, where he built and operationalized clinical models monitoring 40,000+ patients daily across 400+ clinics.

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Head of Growth
Tom Finn
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Healthcare operator and founder with a track record of scaling commercial organizations and venture-backed platforms. Drives growth through partnerships with Fortune 1000 employers and benefits leaders. Former executive at Anthem and Aetna.

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SVP, Strategic Partnerships
Lisa Mostovoy
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Pharmacy and payer strategy executive. Led pharmacy innovation across Blue plans, co-founded CivicaScript, and managed over $10B in annual pharmacy spend for the Federal Employee Program.

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Head of Health Economics
Lisa Schaffner
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Health economics leader delivering over $2B in cumulative value across payers, providers, and digital health. Leads Onsera's outcomes and ROI framework, translating data and AI into measurable clinical and economic impact.

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Head of Product
Adwait Parker
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Specialist in large-scale healthcare transformation and evidence-based systems. Former McKinsey leader, architect of statewide Medicaid Rx programs and AI-driven go-to-market engines. Former Assistant Professor at Tsinghua University.

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Special Projects
Satish Cheema
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25+ years of healthcare leadership across Advisory Board, Abbott, McKinsey, and healthcare technology companies. Proven track record building innovative products, driving operational transformation, and delivering measurable improvements in healthcare quality, outcomes, and efficiency.

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Chief Human Resources Officer
Samira Lowman
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25+ years building and scaling talent strategy at high-growth companies. Former CHRO at Metsera through its IPO and Chief People Officer at Babylon Health. Known for building high-performance organizations and aligning talent with enterprise outcomes.

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Operating advisors

Roy Berggren, MD, MBA
Senior Partner Emeritus, McKinsey & Company / Partner, Population Health Partners
25+ years advising leading pharma and health system organizations on R&D, product strategy, and large-scale transformation.
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Whit Bernard, MBA
Co-founder, Population Health Partners / Former CEO, Metsera
Healthcare executive and investor with deep experience in company building, commercial strategy, and scaling growth-stage platforms.
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Dr. Clive Meanwell
Executive Chairman & Founder, The Medicines Company
Veteran biotech founder and CEO. Led the company through its $9.7B acquisition by Novartis and has built multiple category-defining therapies.
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Dr. Will Shrank, MD, MSHS
Venture Partner, Andreesen Horowitz / Former Chief Medical Officer, Humana
Physician-executive with expertise in value-based care and health system strategy. Former SVP at CVS Health and leader in national payment reform initiatives.
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Clinical advisors

Sir John Bell, GBE CH FRS
Partner, Population Health Partners | Regius Professor of Medicine, University of Oxford
Global leader in genomics and translational medicine. Former chair of the Gates Foundation Global Health Scientific Advisory Board, with decades of work advancing the genetic understanding of chronic disease.
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Dr. Robert Califf, MD
Former Commissioner, U.S. FDA | Partner, Population Health Partners
Only individual to serve as FDA Commissioner under two administrations. Cardiologist and clinical researcher with 1,300+ publications and a member of the National Academy of Medicine.
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Dr. Gary Foster, PhD
Chief Scientific Officer, Lingo (Abbott) | Former WW Chief Science Officer
Leading researcher in behavioral obesity treatment. Former President of The Obesity Society and founder of Temple University's Center for Obesity Research.
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Dr. Melanie Jay, MD, MS
Professor, NYU Langone | Director, Comprehensive Program on Obesity
Physician-scientist focused on obesity treatment in underserved populations. Leads NIH-funded research on technology-enabled interventions and care delivery.
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Dr. Ian Neeland, MD, FAHA, FACC
Director of Cardiovascular Prevention, University Hospitals | Case Western Reserve University
Cardiologist specializing in obesity, diabetes, and cardiovascular disease. Contributed to AHA standards on obesity and cardiometabolic risk.
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Dr. Robert Stoekenbroek, MD, PhD
VP & Medical Director, Population Health Partners | Former Medicines Company
Physician-scientist in lipid disorders and cardiometabolic drug development. Led clinical strategy across multiple next-generation therapies.
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Medical Advisors

Dr. Jonathan Hinds
M.D.
Jonathan Hinds, M.D. is a board-certified physician, specializing in emergency medicine, functional medicine, and aesthetics. He is aesthetic certified for botox and fillers, as well as peptide certified by the Seeds Scientific Research and Performance Institute. Dr. Hinds attended Robert Wood Johnson Medical School at Rutgers University where he received his Bachelor's in Biological Science and his Medical Degree, with Distinction in Medical Research. He went on to complete residency at University Massachusetts at Baystate in Springfield, Massachusetts. After completing residency he became an attending at Jersey Shore Medical Center, where he was the Associate Medical Director, Trauma Liaison, and Champion of Patient Satisfaction to the Emergency Department. In 2016, Dr. Hinds embarked into telehealth and virtual care to increase access to and quality of health services.
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Where you can read about us.
Featured coverage, research, and outcomes from across our work.
2026
Onsera Health Emerges from Stealth and Redefines Cardiometabolic Care Delivery
AP News
2026
Jeff Bernhard and Onsera Health: Transforming Obesity Care at Scale
Global Healthcare Magazine
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