CEOAs Chief Executive Officer of Imperium Health, Gary is responsible for the strategic vision and leadership of the organization. Gary founded Imperium Health in 2012 and has been there since. Gary has served on the Board of Directors and the Executive Committee of the National Association of ACO’s for almost a decade. Gary has been instrumental in the formation of programs with CMS regarding ACO’s and received a reward from the White House in 2013 for innovation in Healthcare. Imperium Health has been one of the industry leaders in the value based payment space resulting in over $400 million saved for the Medicare trust fund. Gary resides in Indianapolis, IN with his wife and three children. When not at work, he enjoys exploring the outdoors with his family, fishing, golf, painting and reading.
COOChief Operating Officer, Carter Rieser is an accomplished, strategic leader with a deep understanding of healthcare operations and is committed to helping Imperium’s partners successfully implement payer agnostic strategies designed to improve patient care. He joined Imperium Health in 2017 as the Director of ACO Operations, and most recently served as the Vice President of Commercial Contracting and Network Development where he led, designed, and implemented expansion initiatives for our value-based payer programs to include new commercial, Medicare Advantage, and Medicaid agreements across multiple states. Under his leadership, each program has experienced significant growth in both HEDIS and Shared Savings rewards for our program partners.
Prior to joining Imperium, he served as Director of Strategy and ACO Operations for Alliant Management Services, one of the country’s largest independent hospital management organizations. During this time, he successfully led the strategy and management of four hospital based Accountable Care Organizations.
He is a graduate of West Virginia University, where he earned his bachelor’s in finance, as well as a master’s degree in Healthcare Administration/Public Administration and serves on the Anthem Provider Advisory Council in the state of Kentucky.
VP of Quality ControlAngela brings extensive clinical and quality improvement expertise to the Imperium Executive Leadership team. Angela has led the development and improvement of Imperium’s Quality Improvement Program and Web Interface Audit reporting for Imperium ACOs nationwide, which are comprised of independent physician led ACOs and Hospital led ACOS. During her time at Imperium, our partner ACOs have seen extensive growth in quality performance. Angela holds the bar high for Imperium Quality, achieving an average quality score of over 95% for the past 3 years.
Angela began with Imperium in 2014 initiating, implementing, and maintaining high touch clinical ACO models and developing / creating Transitional Care Management Programs for KYACOs as a Care Coordinator and KY Market Team Lead. In 2018, Angela expanded her impact on Imperium’s Quality performance as the Director of Quality and Technical Support for Imperium. Angela has a long history in healthcare with a strong clinical focus including a background in Population Health, Private Practice Internal Medicine, Long Term Care and Skilled Nursing Facility with Material Data Set certification, Home Health, Surgical Services and both in-patient and out-patient addiction treatment.
Angela received her degree in Nursing from Western Kentucky University and is certified by AAPC as a Certified Risk Coder. Angela is a subject matter expert in quality measures, quality improvement strategies and GPRO/Web Interface Audit coordination.
VP of Operations
Brantley is a forward-thinking leader, dedicated to continuous improvement to best serve Imperium Health’s clients and partners. Brantley provides operational support to ACOs across the country, including Imperium’s largest group of hospital led ACOs. Brantley has vast experience in developing and implementing performance improvement initiatives for hospital corporations, primary care and specialty physicians, resident physicians, and healthcare administrators. She specializes in quality and cost analysis, providing individualized, comprehensive strategies for ACOs of varying levels of performance-based risk and experience.
Brantley started with Imperium as a Practice Transformation Specialist, laying the foundation for long-lasting relationships, serving as a front-line resource for Imperium’s practice partners. During her time as Director of Operations, she managed ACOs across the Southeast, all of which generated Medicare savings and 83% achieved shared savings in the Medicare Shared Savings Program. In her current role, Brantley’s ACO and practice partners have had year over year improvement with a 56% increase in total positive Medicare savings and a 48% increase in shared savings payouts from 2020 to 2021.
Brantley graduated from The University of Alabama with a Bachelor of Science degree in Nutrition Sciences. She completed the Rural Medicine post-baccalaureate program in the College of Sciences and Mathematics at Auburn University. Brantley attended The University of Alabama School of Medicine for didactic and clinical medical education before pursuing a career in value-based care program management.
Director of Operations, West RegionShekinah is based out of Oklahoma City, Oklahoma and directs ACO participants in Oklahoma, Arizona, and New Mexico. Shekinah has 20 years of experience in the healthcare industry and is an expert in practice operations and CMS value based payment models. She joined the Imperium team in 2018 and is a strong ally for physicians who are motivated to be successful in bringing both improved patient outcomes and shared savings to fruition. Shekinah is Certified by MGMA as Medical Practice Executive (CMPE) and by NAMSS as a Professional Medical Staff Manager (CPMSM). She obtained her Bachelors Degree in Biological Sciences from the University of Central Oklahoma and her Masters Degree in Business Administration with an emphasis on Healthcare from Mid-America Christian University.
Director of Operations
Midwest RegionJuliana brings extensive experience in physician practice operations, revenue cycle management, project management, operational improvement, and commercial value-based programs. Prior to joining the Imperium team in 2018, Juliana served in progressive management roles at one of the largest Multi-Specialty Physician-Owned Practices in Kentucky. During that time, she successfully led several quality and operational improvement projects as well as service line expansion in Family Medicine, Student Health, and Oncology/Hematology.
Juliana is the Director of Operations for ACO & Commercial value-based program operations in Indiana, Kentucky, Minnesota, North Carolina, Pennsylvania, Tennessee, Virginia, Wisconsin & West Virginia. She oversees Imperium’s largest field operations team and the flagship market for Commercial & Medicare Advantage value-based programs. Juliana specializes in payor-agnostic operations & quality improvement, providing individualized performance improvement strategies for ACO participants to find success in all contracted value-based programs. During her time with Imperium, the Kentucky market has improved operations to achieve shared savings and HEDIS bonuses in all commercial lines of business, with a growth in earned incentives year-over-year.
Juliana received a Bachelor of Science in Health Care Administration, as well as a Master of Science in Health Administration from Western Kentucky University. Juliana is also certified by AAPC as a Certified Professional Coder. Juliana continues to give back to the future of health administration by serving as an Advisory Board Member for the WKU Health Care Administration programs and teaching as an Adjunct Instructor in WKU’s undergraduate HCA program.
Director of Analytics, Integration, and Development
Dena is a solutions-oriented leader with notable success directing a broad range of corporate Information Technology, Revenue Cycle and Value Based care initiatives while participating in planning, analysis, and implementation of healthcare and industry technologies in direct support of business objectives.
Dena joined Imperium Health in 2021 as a Value Based Program Specialist serving the Oklahoma ACOs. In June 2022 she transitioned into the Director of Analytics, Integration, and Development position where she is responsible for the implementation and oversight of all data integration projects. Prior to joining Imperium, she served for 22 years at her local hospital where she held positions as the Critical Access Hospital Chief Administrative Officer, CIO, and Revenue Cycle Director. She also served as the project lead for implementing all the MIPS/MACRA modules as well as serving as the ACO Project Lead.
Dena is a graduate of Southwestern Oklahoma State University, where she earned her bachelor’s in business administration. She also earned her master’s degree in telecommunications management at Oklahoma State University. She received her HIMSS CPHIMS Certification in December 2019 and currently serves as the treasurer on the Oklahoma HIMSS Board.
Amanda Waid, MHA
Corporate Director of Operations
Amanda joined Imperium Health in 2018 as an ACO market Manager serving Kentucky ACOs with a multi-state reach. She transitioned to the Corporate Director of Operations in January of 2023 where she is responsible for company and client compliance, marketing, research, and analysis of advanced payment model programs. The experience Amanda gained prior to joining Imperium includes working for private practices in general surgery and one of the largest internal medicine practices in Kentucky in operations and revenue cycle management.The experience Amanda gained prior to joining Imperium includes working for private practices in general surgery and one of the largest internal medicine practices in Kentucky in operations and revenue cycle management.
Amanda graduated from Western Kentucky University with her master’s in healthcare administration in 2016. She has taught healthcare economics and human resources at WKU for over 7 years. She is currently enrolled at University of Mississippi Medical Center where she is completing her Doctorate in Health Administration.