MARCQI Coordinating Center


brian Hallstrom

Brian Hallstrom, MD


Brian Hallstrom, MD is the Co-Director of MARCQI. He is a Clinical Associate Professor of Orthopaedic Surgery at the University of Michigan. Dr. Hallstrom received his medical degree from Boston University before completing a residency in Orthopaedic Surgery at the University of Michigan. He completed an adult reconstruction fellowship at the Massachusetts General Hospital before returning to Ann Arbor to practice at St. Joseph Mercy Hospital. He joined the University of Michigan faculty in 2008.


richard e. hughes

Richard E. Hughes, PhD


Richard E. Hughes, PhD is the Co-Director of MARCQI. He is an Associate Professor of Orthopaedic Surgery, Biomedical Engineering, and Industrial and Operations Engineering at the University of Michigan. He received his Bachelor of Science in Engineering from Princeton University and PhD from the University of Michigan. Prior to joining the University of Michigan faculty in 1998, he worked for the Centers for Disease Control and Prevention. He completed a post-doctoral fellowship at the Mayo Clinic in orthopaedic biomechanics.


Thomas Zheng, PhD

Thomas Zheng, PhD, MS, MSE


Thomas (Huiyong) Zheng, PhD, MS, joined MARCQI as the Technical Statistical Lead in 2016. Prior to joining MARCQI, Dr. Zheng has been a senior staff in Biostatistics and faculty member, Associate Research Scientist, in the School of Public Health at the University of Michigan since 2004. He has BS, MS in Mathematics and PhD in Control Theory (NPU China) and post-doctoral in Scientific Computing (Tsinghua University China). He worked in the Electrical Engineering and Computer Science EECS and Industrial & Operation Engineering IOE University of Michigan as post-doctoral research fellow from 2000 to 2004 (also earned an MSE in IOE with a focus on Statistics and Quality Control). Dr. Zheng has published more than 50 peer-reviewed papers and book chapters in methodology and epidemiological/health studies. He has been a Principle Investigator or co-investigator in many research projects and playing leading role in analytics among collaborative studies.


Heather Chubb

Heather Chubb, MS


Heather Chubb, MS, joins us as Senior Analyst, Lead for MARCQI. She received her BS in Mathematics from the University of Michigan Dearborn and her MS in Biostatistics from the University of Michigan. She is a published statistician with a background in both healthcare and manufacturing settings. She joins MARCQI after nearly 10 years in the Michigan Medicine Dermatology department where she served as a co-investigator on many
research studies with faculty, residents and medical students.


Qi Zhu

Qi Zhu, MS


Qi Zhu, MS, joins MARCQI as a Database Manager. Qi is part of the MARCQI data analytics team with Dr. Zheng and Heather Chubb. Qi received his BS from Hohai University, China. At Michigan State, Qi completed two masters’ degrees, one in Electrical Engineering and one in statistics. He has more than ten years of experience in data management and healthcare claims data analysis.


Tae Kim

Tae Kim, BS, MHSA


Tae Kim is the Senior Project Manager for MARCQI. She received her BS and MHSA from The University of Michigan. Tae comes to MARCQI from the Michigan Urological Surgery Improvement Collaborative, MUSIC. She led their surgical outcomes initiatives (peri-operative, oncologic and patient reported outcomes, skills outcomes, skill workshops, video library). Tae has developed patient education and physician support materials along with launching two new initiatives within the urology collaborative. She joined MARCQI in 2019.


Jill Cone-Holden

Jill Cone-Holden, BSN, RN


Jill Cone-Holden is our On-boarding Support Coordinator. She graduated from Grand Valley State University and has a broad range for clinical expertise. For the past 15 years, Jill has focused on quality and performance improvement with involvement in several databases. After serving as a MARCQI Clinical Quality Assurance Coordinator, Jill will be working to standardize processes and operations within our coordinating center.


Carly Redstone

Carly Redstone, MSN, RN


Carly Redstone is one of MARCQI’s Clinical Quality Assurance & Improvement Coordinators. Carly received her Master of Science in Nursing from the University of Michigan with a dual focus in Nursing Leadership and Health Informatics. She received her BSN from Eastern Michigan University, and also has a BA in Elementary Education from the University of Michigan. Carly has clinical experience in Emergency Medicine, as she worked in the Adult Emergency Department at Michigan Medicine for seven years, and spent her first year and a half as a nurse in the Emergency Department at Henry Ford Allegiance Health. Most recently Carly has been working as a Clinical Documentation Specialist at St. Joseph Mercy- Ann Arbor. Carly joined the MARCQI team in the fall of 2019.


Kelley Thompson

Kelley Thompson, BSN, RN


Kelley Thompson is one of MARCQI’s Clinical Quality Assurance Coordinators. Upon receiving her Bachelor of Science in Nursing, she began her career in the Michigan Medicine operating rooms and developed an interest Orthopaedic surgery. As the Orthopaedic service lead at an ambulatory care site, Kelley developed educational programs for nurses and residents regarding Orthopaedic devices and procedures. Kelley joined the MARCQI team in 2021.


Sara Koraleski

Sara Koralewski, RHIT


Sara Koralewski is one of MARCQI’s Clinical Quality Assurance Coordinators. She is a Registered Health Information Technician (RHIT) with a Bachelor’s in Psychology and Anthropology from the University of Michigan-Dearborn. Sara has four years of infection prevention experience specializing in surgical site infection surveillance and reporting. She also worked on the Epic infection prevention software; implementing and supporting the application for a multi-state healthcare system. Sara joined the MARCQI team in 2021.


Bri Engel

Bri Engel, BSN, RN


Brianna Engel, BSN is a Clinical Quality Assurance & Improvement Coordinator with MARCQI. Brianna has joined MARCQI in the position of a Nurse/Project Coordinator. She is currently attending Ferris State University working towards her Master of Science in Nursing with a focus in Health Informatics. She received her Bachelor of Science in Nursing from Hope College. Brianna has four years of clinical experience in orthopedic/trauma and outpatient infusion at Michigan Medicine. She joined the MARCQI team in March 2020.


Anne Kagay-Lidster

Anne Kagay-Lidster


Anne Kagay-Lidster is the Administrative Assistant for MARCQI. Anne received her Associates Degree from Washtenaw Community College in Visual Arts (Photography, Graphic and Web Design). In her previous position as a Lead Research Technician, she provided support to engineering projects with data processing, report preparation, and logistics. Anne joined the Coordinating Center staff in 2014.