Learn more about the leadership team behind our mission and values.
Chief Executive Officer
Jeff Preuss is the Chief Executive Officer and Co-founder of Complete Health. He has over 25 years of executive-level experience in health care services. With 15 years of leadership in value-based reimbursement and physician practice management, he was a senior founding executive at Viva Health, a clinician-driven HMO and primary care PPM. As CEO of a leading national hospice company...
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Chief Medical Officer
Dr. John W. Farley is a fourth-generation physician with over two decades of leadership in clinical practice and healthcare management. Board-certified in Internal Medicine and Hospice and Palliative Care, Dr. Farley built and led a thriving primary care practice in Birmingham, Alabama, for more than 20 years. His extensive career spans a broad spectrum of healthcare, including value-based care, medical...
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Chief Financial Officer
Claude Chevance is the Chief Financial Officer of Complete Health. He has served in several top-level corporate finance roles, many of which are in the healthcare industry – including health plans, integrated delivery networks, and provider groups focused on value-based care. His experiences include Chief Financial Officer to HealthSun Health Plan, Inc, OptumCare Southern California, and North American Medical Management,...
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Chief Operating Officer
Scott Griesemer is the Chief Operating Officer of Complete Health. He has an impressive history of leadership roles in Value-Based Care and healthcare insurance organizations, including COO of MMM of Florida, HealthSun Health Plans, and Independent Living Systems. He served as Vice President of Application Management and Support at Amerigroup, VP of IT Software Solutions at Vista Healthplans, Independent Board...
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Senior Vice President, Corporate Controller
Scott Powell, CPA, CMA, is the Senior Vice President, Corporate Controller at Complete Health. Scott is a Certified Public Accountant and Certified Management Accountant with progressive accounting experience. Scott joined Complete Health in 2019 as the Corporate Controller. Before joining Complete Health, Scott served as the VP of Accounting at SharedLABS, Inc. He has also held leadership roles with WNA,...
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Senior Vice President, Technology Services
Manjinder (Manji) Singh is the Senior Vice President of Technology Services at Complete Health. With nearly 30 years of experience in technology leadership, Manji has a strong background in modernizing IT infrastructure, strengthening cybersecurity, and guiding high-performing teams across the healthcare and tech industries. Manji’s hands-on leadership, vendor management expertise, and dedication to innovation make him a valuable member of...
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Senior Vice President, Value-Based Care
Vickie Wilson, BSN, CRC, is the Senior Vice President of Value-Based Care at Complete Health and has been with the organization since 2018. Vickie has been instrumental in Complete Health’s commitment to quality care and care management. Before joining Complete Health, Vickie served as the Director of Quality Care at Physician Group Services, where she built the Quality Department and...
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Senior Vice President, Strategic Initiatives
John Lyerly is an accomplished strategic planning professional with over 25 years of experience in healthcare leadership. His career includes impactful roles at prominent organizations such as Ascension Health, Alivia Care (Hospice and Palliative Care), and KPMG Healthcare Consulting. Throughout his career, John has specialized in strategic planning, proforma development, and market analysis—driving growth and operational excellence across diverse healthcare...
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Senior Vice President, Market Operations (Florida & Alabama)
Jessica Clark brings over 15 years of healthcare leadership experience to her role as Vice President of Florida Market Operations at Complete Health. Her diverse background spans hospital operations, surgical services, value analysis, and hospice care. Throughout her career, Jessica has been recognized for her outstanding contributions to the field, including being named to AORN’s 40 Under 40 Leader Recognition,...
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Vice President, Compliance & Privacy Officer
Roberta Verville, MA, CHC, is Complete Health’s Vice President of Compliance and Privacy Officer. Roberta has over two decades of experience in healthcare compliance, risk management, and regulatory oversight. As Vice President of Compliance and Privacy Officer, Roberta guides Complete Health on policies, ethics, best practices, and regulations, focusing on enhancing and implementing a robust compliance program that aligns with...
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Vice President, Actuarial Services
Jeff Grover is the Vice President of Actuarial Services at Complete Health. Before joining Complete Health, Jeff was the Senior Director of Actuarial Services with Centene Corporation. He has also served in leadership roles at Lee Health and UnitedHealth Group. Jeff has experience working with both Medicare Advantage and Part D payers, as well as risk-taking provider groups and Accountable...
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Vice President, Financial Planning & Analysis
Miralee Negron is the Vice President of Financial Planning and Analysis at Complete Health, joining the organization in 2021. Before her role at Complete Health, Miralee spent 15 years with Mayo Clinic in various Financial Analyst roles. She also served as a Staff Accountant and Bookkeeper earlier in her career. Miralee has extensive experience in the health care industry, driving...
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Vice President, Value-Based Care
Laura Meyers, RN, BSN, is the Vice President of Value-Based Care at Complete Health. Laura joined Complete Health in 2018 and has served in multiple leadership roles during her tenure. She is a graduate of East Tennessee State University and a Registered Nurse. Laura spearheads Complete Health’s initiatives to deliver exceptional quality care, including the Care Management Programs. She collaborates...
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Vice President, Medical Economics
Joseph Relyea is a seasoned health economics professional with over 20 years of experience driving actionable insights and decision support across various healthcare domains. As a leader, mentor, and analyst, he specializes in delivering meaningful reporting and analysis in areas such as contracting, cost and utilization trends, Medicare risk adjustment, operations, finance, clinical services, and business development. Joseph holds both...
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Vice President, Market Operations (Colorado)
Millard McQuaid, FACHE, MBA, MSF, is the Vice President of Market Operations for the Colorado Market at Complete Health. Millard has over 15 years of healthcare experience, including Chief Operating Officer at Community Health of Central Washington and Executive Director of Rocky Mountain Primary Care. Millard has a bachelor’s degree from Case Western Reserve University and a master’s degree from...
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Vice President, Contracting & ACO Executive
Christian Long is a seasoned healthcare executive with over two decades of experience in the Medicare payer and healthcare consulting sectors. He began his career in operations roles with hospital-based physician groups before transitioning to the payer side, where he led provider contracting and value-based care initiatives at major health plans including Humana, Wellcare, and AvMed. Christian later served as...
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Medical Director, Norwood
Dr. Larry Douglas Alford, Jr., M.D. earned his medical degree at the University of Alabama. Dr. Alford has been practicing primary care since 1999. As a faith-based health care provider, he is passionate about caring for his patients, especially those managing and controlling diabetes, hypertension and heart disease. He also understands the value of quality palliative care. Dr. Alford is...
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Medical Director, East Birmingham
Dr. Scott Boyken is a board-certified physician practicing at Complete Health - Trussville. In addition to quality primary care, Dr. Boyken specializes in sports medicine and earned a certificate of added qualification in the specialty. He earned his medical degree at The University of Alabama at Birmingham. Dr. Boyken is one of Complete Health's Medical Directors for the Alabama region....
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Medical Director, Greystone
Dr. Jason Smith is a graduate of the University of Alabama School of Medicine. He completed his residency and internship in the Department of Internal Medicine at the University of Alabama at Birmingham, and began practicing medicine at Complete Health - Greystone in 2003. In his spare time, you can find Dr. Smith cooking for his wife and two girls.
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Medical Director, Simon Williamson & Adamsville
Dr. Kirby joined Simon-Williamson Clinic in 2000 and has two decades of experience as an internist, focusing on cardiovascular health, diabetes, and thyroid disorders. Originally from Natchez, MS, Dr. Kirby is married to Charnita, who is a photographer. Together they have seven children. When Dr. Kirby is not seeing patients, he enjoys running, mountain biking and hunting. Dr. Kirby is...
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Medical Director, Hospice & Palliative Care
Dr. Chris Phillips is a highly experienced physician and healthcare leader with more than two decades of service across inpatient, post-acute, and value-based care settings. Since 2023, he has served as Medical Director at Complete Health, where he provides clinical leadership, supports provider performance, and drives quality initiatives that enhance patient outcomes across the organization. In addition to his role...
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Market Medical Director, Colorado
Dr. Martha Ives brings over three decades of experience in patient care, with a unique background in both internal medicine and pediatrics. She earned her medical degree from the University of Utah and began practicing in 1993. For the past 25 years, she has served the Arvada community at Rocky Mountain Primary Care, including three years as president and CEO....
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Associate Medical Director, Colorado
Dr. Mark Engelstad earned his medical degree from UT Health San Antonio and has been practicing medicine since 1999. He is board-certified in Family Medicine and has dedicated his career to providing comprehensive care for patients of all ages. His passions include managing chronic diseases, geriatric care, and supporting multigenerational families in their health journeys. For Dr. Engelstad, healthcare is...
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Medical Director, Florida
Dr. Brittany Jones was born and raised in Ormond Beach, Florida. She attended Georgetown University for undergraduate studies where she received a Bachelor of Science in Biology. After completion, she continued her medical education at Florida State University College of Medicine, where she earned her Medical Degree. Dr. Jones completed residency at Halifax Health in Daytona Beach, Florida. When she's...
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