Dr. Dave Zieg

Dr. Dave Zieg, Director of Clinical Services at Alliant, is a nationally recognized physician executive and health care strategist. Board Certified in both Family Medicine and Lifestyle Medicine, Dave brings more than 21 years of progressive clinical, corporate, and entrepreneurial leadership experience to his role—shaping innovative health solutions that bridge medical excellence with business strategy.

Prior to joining Alliant, Dave served as Chief Medical Officer at Transcarent, where he led clinical strategy, operations, and team development in one of the most ambitious virtual care and navigation platforms in the market. Before that, he was a Partner and Clinical Services Leader at Mercer, overseeing a multidisciplinary team of physicians, nurses, and consultants. There, he advised Fortune 500 and mid-sized employers across industries, with a focus on value-based care models, quality-driven utilization, and effective benefits strategy.

Dave’s earlier experience includes a decade at Lockheed Martin Corporation, where he helped drive health care innovation at scale, and leadership roles in academic medicine and hospital systems in the Denver area. His expertise spans primary care transformation, bundled payment models, direct contracting, leveraging quality/cost metrics in plan design, employer-sponsored health clinics, occupational and behavioral health, and scalable lifestyle medicine programs.

Dave received his M.D. from Creighton University and undergraduate degrees from California State University, Fullerton. With a deep commitment to aligning clinical quality and cost-effectiveness, he continues to guide employers, health systems, and technology companies toward the next generation of health care and benefits design.