Leadership & Board

Other Leaders

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  Nipun Soni, CFA, CPA

  Chief Financial Officer


Nipun Soni, CFA, CPA

Chief Financial Officer

Nipun Soni joined BillionToOne in March 2021. He brings 20 years of finance, accounting, and operations experience with multi-national companies in the healthcare and technology sector. Prior to joining us, he served as SVP Finance at Guardant Health from July 2019 to March 2021, helping scale the finance organization for a growing public company. Between April 2009 to July 2019, he held various senior finance leadership positions with multinational public companies including Quotient Technology, KLA Corporation, and Oracle Corporation.

Earlier in his career, Nipun worked at PricewaterhouseCoopers serving clients in both public and private sectors. He holds a bachelor’s in commerce from Delhi University, India. He is a CFA Charterholder, Certified Public Accountant licensed in California, and Chartered Accountant from India.

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  Nancy Johnson, MT (ASCP)

  Senior VP of Sales and Commercial Operations


Nancy Johnson, MT (ASCP)

Senior VP of Sales and Commercial Operations

Nancy joined BillionToOne in 2019. Nancy has a passion for building and leading commercial sales teams. She believes in the empowerment of individuals to achieve personal and professional goals. Nancy brings more than 20 years of diagnostic sales leadership experience in both start-up and large-scale sales organizations. Most recently Nancy played an instrumental role in Foundation Medicine’s commercial strategy and execution, building and leading her sales team to success. Prior to Foundation Medicine, she held several commercial leadership positions at various molecular diagnostic companies.

Nancy started her career as a board-certified Medical Technologist and holds a BS in Medical Technology from Creighton University.

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  Shan Riku, MBA

  Senior VP of Product


Shan Riku, MBA

Senior VP of Product

Shan joined BillionToOne in January 2019. She is passionate about launching life-changing products and delivering seamless end-to-end user experience through the products. Shan is responsible for all aspects of product development at BillionToOne. She has over 10 years of experience in launching a wide range of products and brands, from online marketplace to cord blood banking. Shan started her career at McKinsey & Co., where she helped launch two pharmaceutical drugs and a new brand line of high-end audio products for multinational corporations.


Shan holds an MBA from Stanford University, an MPA/ID from Harvard University, and graduated Phi Beta Kappa with a Bachelor of Science in Chemistry from Massachusetts Institute of Technology.

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  Gary Palmer, MD, MBA, JD

  Medical Director of Oncology


Gary Palmer, MD, MBA, JD

Medical Director of Oncology

Dr. Palmer joined BillionToOne in March 2022 as an advisor. He has held senior leadership positions at multiple successful biotechnology companies. He was Vice President of Medical Affairs at Genomic Health. He served as Chief Medical Officer of On-Q-ity, a circulating tumor cell company. Subsequently he was Senior Vice President, Medical Affairs at Foundation Medicine, Chief Medical Officer at NantHealth, and most recently Chief Medical Officer at Tempus. Prior to these and several other roles in industry, Dr. Palmer served as a medical oncologist in both academia and in the community setting including serving as the director of the Medical Breast Service at the University of California, Davis, Cancer Center and Chief of Medical Oncology at the Mercy Health System, Sacramento, California.

Dr. Palmer is a magna cum laude graduate of Yale University and a graduate of the Stanford University School of Medicine. He did his internal medicine training at the Boston City Hospital and his oncology fellowship at the Massachusetts General Hospital. He has a Masters in Business Administration (MBA) from the University of California, Davis, and a Masters in Public Health (MPH) from U.C.L.A. As well, Dr. Palmer holds a J.D. degree and is admitted as an attorney to the State Bar of California.

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  Carrie McGehee

  VP of Market Access


Carrie McGehee

VP of Market Access

Carrie McGehee joined the BillionToOne team in August 2021. Carrie is passionate about expanding access to novel diagnostic tests and is recognized for her ability to gain coverage and contracts with Medicare, Medicaid, and private insurance companies. Her work has been defined by developing and implementing strategic and innovative ways to overcome challenges that accelerate top and bottom-line growth. Carrie brings over 20 years of experience working with molecular diagnostic companies and has held several leadership positions including 11 years at Genzyme Genetics and 6 years at Sequenom Center for Molecular Medicine, the first company to bring non-invasive prenatal testing (NIPT) to the market. Carrie and her team were instrumental in policy development for NIPT and contracted with over 200 payers in the US.


Carrie started her career in healthcare as a neonatal intensive care and pediatric Registered Nurse. She graduated from North Texas Central College with a degree in Nursing.

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  John ten Bosch, PhD, FACMG

  VP of Laboratory Operations


John ten Bosch, PhD, FACMG

VP of Laboratory Operations

John joined BillionToOne in September 2020. He has a passion for genomics, laboratory medicine, and providing quality care to the patients he serves. John has over 10 years of experience providing leadership to high complexity CLIA laboratories including regulatory oversight, clinical laboratory operations, and test development. He joins BillionToOne from Kaiser Permanente where he served both as Laboratory Director and Director of Quality in the Molecular Pathology and Cytogenetics laboratories.

John received his PhD in Molecular and Cell Biology from UC Berkeley and served as a Postdoctoral Fellow in Laboratory Genetics and Genomics at Stanford and UCLA.

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  Brent Kirk

  Senior Director of Sales Strategy and Operations


Brent Kirk

Senior Director of Sales Strategy and Operations

Brent joined BillionToOne in July 2019. He believes that one size does not fit all with hospitals, physicians, and patients. Brent drives our sales strategy and operations teams to ensure customer loyalty while improving the satisfaction of both internal and external partners. An unrelenting executionist, Brent has fiercely loyal customers and has helped multiple start-ups with hyper-growth plans from series A through IPO.

Brent graduated from Arizona State and has a history of success in the tech and biotech industries.

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  Brett Huff, MBA

  Senior Director of Engineering


Brett Huff, MBA

Senior Director of Engineering

Brett joined BillionToOne in March 2021 bringing a wide variety of experience in engineering leadership. He led the enterprise engineering department at Trello through its high growth phase, acquisition, and establishment as a market dominator. Previous to that, he led the Equities Exchange and Equities System Test teams at Goldman Sachs, responsible for accurately and quickly performing billions of dollars worth of trades every day across all stock and options exchanges throughout the Americas.

Brett started his career building and commercializing a computer network in an oil and gas drill pipe, drastically increasing the safety, speed, and accuracy of oil and gas exploration. He received his Master of Business Administration degree from the University of Utah and his bachelor’s degree in computer science with a minor in physics from Brigham Young University.

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  Jennifer Hoskovec, MS, CGC

  Senior Director of Medical Affairs


Jennifer Hoskovec, MS, CGC

Senior Director of Medical Affairs

Jennifer joined BillionToOne in July 2020. As a certified genetic counselor with over 17 years of clinical experience, Jen is committed to ensuring patients and providers are supported and educated about the options and utility of prenatal testing. Jen joins BillionToOne after 17 years as a prenatal genetic counselor at UTHealth where she led a team of genetic counselors providing patient care in MFM clinics across the city of Houston. Jen has extensive volunteer and leadership experience within national societies such as American College of Obstetrics and Gynecology and National Society of Genetic Counselors. She served as president of NSGC in 2014.

Jen earned her MS in genetic counseling from the University of Texas Health Science Center in Houston and her Bachelor of Science in Biology with a minor in Chemistry from Truman State University.

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  Karel Hurka

  Senior Director of Supply Chain


Karel Hurka

Senior Director of Supply Chain

Karel joined BillionToOne in March of 2022. He brings 20+ years of experience in all facets of supply chain and materials management spanning inventory management, purchasing, ERP systems, cold chain, production planning, warehousing operations, and vendor & CMO management. His past biotech work experiences include Pendulum Therapeutics, CareDx, Adaptive Biotechnologies, Genomic Health, and Applied Biosystems.

Karel Started his career with Monsanto upon graduation from the University of South Carolina with a BS in Business Administration – Finance.

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  Cortney Cino, MBA

  Director of Brand Marketing


Cortney Cino, MBA

Director of Brand Marketing

Cortney joined BillionToOne in January 2022. She is dedicated to ensuring BillionToOne’s products have a clear, compelling, and credible story. She’s passionate about our products and growing awareness and education. Cortney brings tremendous marketing experience from both her most recent role as a marketing consultant to several biotechs in the Bay Area and her previous roles at Gilead and Natera. Cortney helped launch a new HIV regimen at Gilead by leading media and disease education for HCPs. At Natera, she was responsible for all aspects of marketing multiple prenatal products.

Cortney started her career in management consulting with Booz Allen Hamilton in Washington DC. She holds an MBA from Boston College and a bachelor’s in communications from UC Santa Barbara.

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  David Peterson

  Director of Reimbursement


David Peterson

Director of Reimbursement

David joined BillionToOne in June 2021. He identifies and develops system efficiencies and automation while hiring, engaging, and retaining top talent to achieve business goals through coaching, collaboration, and mentoring. David has over 23 years in the healthcare industry as an innovative and strategic business executive with experience leading market access strategy, reimbursement, and managed care initiatives to drive growth. David is recognized for securing coverage and target reimbursement for new technology and focus tests. He is a trusted advisor to key stakeholders, senior management, and cross-functional teams in evaluating new opportunities.

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  Dhruv Swaroop, MBA

  Director of Product


Dhruv Swaroop, MBA

Director of Product

Dhruv joined BillionToOne in July 2021, after several years spent working in finance, technology and healthcare in the United States, Singapore, and India. He is excited to bring those diverse experiences and perspectives to something he is passionate about—using innovation to improve individuals’ health and quality of life. Dhruv focuses on providing the best technology solutions to patients and providers, including EMR integrations, portals and other software tools that improve turnaround time and efficiency.

Dhruv received his MBA from the MIT Sloan School of Management, where he was awarded the Legatum Center for Development and Entrepreneurship Fellowship, and graduated with a Bachelor of Science in Mechanical Engineering from Carnegie Mellon University.

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  Michele Phelps

  Director of Financial Planning and Analysis


Michele Phelps

Director of Financial Planning and Analysis

Michele Phelps joined BillionToOne in September 2021. She is passionate about building efficiencies and scaling processes to allow companies to improve patient care and develop life changing products. She has 18+ years of finance experience in both start-up and multi-national companies in the life sciences and technology industries, with 13+ years focused in the oncology laboratory diagnostic space.

Prior to joining BillionToOne, Michele was at Exact Sciences, where she led FP&A for the Precision Oncology Business Unit and post-merger acquisitions. Before Exact Sciences, as Director of FP&A at Genomic Health, Michele scaled the FP&A team to support four core product launches and international entity and product expansion.

Michele began her career as part of the StubHub start-up team and played a key role in the later acquisition by eBay. Michele has a Bachelor of Science in Corporate Finance and Financial Services.

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  Vaghar Haghiri

  Director of People Operations


Vaghar Haghiri

Director of People Operations

Vaghar Haghiri joined BillionToOne in December of 2022 bringing 10+ years of experience supporting rapid growth of various healthcare startup companies, two of which were acquired after Vaghar joined.

Vaghar started his career at CID Management as one of the original 10 employees, where he implemented systems and processes, which helped grow the company to over 1000 employees in less than a year, leading to the acquisition from Genex Services. Vaghar has a Bachelors of Science in Computer Engineering from San Jose State University.