Appointment Center (303) 436-4949

Executive Leadership

Robin D. Wittenstein, Ed.D., FACHE
Chief Executive Officer

Robin-Wittenstein-Headshot

Robin D. Wittenstein joined Denver Health in 2017 with more than 35 years of experience in the health care industry, serving communities through a variety of leadership roles in various settings, including an academic medical center and safety net hospital.

Prior to leading Denver Health, Wittenstein was Chief Population Health Officer (CPHO) at Penn State Health, where she oversaw the health care system’s network of clinics and academic affiliate hospitals across central Pennsylvania. She was Penn State Health’s Chief Operating Officer (COO) for five years prior to the CPHO appointment. Before that, Wittenstein was the president and CEO of University Hospital and University of Medicine and Dentistry of New Jersey in Newark, New Jersey, where she was responsible for strategic direction, operation and financial management and quality performance for the 519-bed medical center.

She held various roles within the North Shore-Long Island Jewish Health System (NSLIJHS), including Vice President for Continuing Care, Vice President and COO of the NSLIJHS Research Institute and COO of Staten Island University Hospital. Wittenstein also spent five years working with Tenet South Florida Health Systems.

She earned her bachelor’s degree in health planning and administration from Penn State, her MBA in health administration from the University of Miami and a doctorate of education from George Washington University. Wittenstein has served on numerous hospital alliance, health care and research foundation coalition boards, and chairs an interest committee of biomedical research in New York.

Rob Borland
Chief Marketing and Public Relations Officer

Rob Borland  is a seasoned marketing and public relations executive with successes in various industries including gaming, breweries and sporting. Most recently, Rob served as chief marketing officer at USA Pro Cycling and prior to that he was chief marketing officer at Molson Coors International. Rob brings extensive experience in growing businesses and building brands in the United States and abroad, in locations such as Japan and the United Kingdom.

Rob oversees Denver Health marketing and public relations which includes media and public relations, external marketing and communications, internal communications and digital marketing.

Kathy Boyle, Ph.D., RN, NEA-BC
Chief Nursing Officer 

Dr. Kathy Boyle joined Denver Health in January 2009 and is an Assistant Professor, Adjunct Faculty Appointment for the University of Colorado, College of Nursing. Dr. Boyle is the Chair of the Vizient Academic Medical Center Chief Nursing Officer Network. Her clinical practice includes geriatrics, inpatient behavioral health, high-risk labor and delivery and maternal transport. She has developed an expertise in leadership through her 20 plus years in nursing leadership practice. 

She has coordinated clinical planning for an academic replacement hospital and championed the system-wide expansion of patient- and family-centered care, as well as conducted studies of followership in nursing, and nurse-physician collaborative communication and safety climate. She was co-investigator for the following studies: Evaluation of Standardized Color-coded Nurse Uniforms on Patient, Family, and Staff Perceptions: A Patient and Family Centered Care Initiative and Bacterial Contamination of Healthcare Worker Uniforms: A Randomized Controlled Trial of Antimicrobial Scrubs.  

Bill Burman, MD
Director of Denver Public Health

Dr. Bill Burman is a Professor of Medicine (Division of Infectious Diseases) at the University of Colorado School of Medicine. He joined Denver Public Health as an infectious disease physician in 1995 and directed its HIV treatment and research activities. Since 2011, Dr. Burman has led Denver Public Health, focusing on assessing health and building broad-based partnerships to improve the health of Denver’s community. Dr. Burman was the interim chief executive officer at Denver Health for nine months, from 2016-17.

Dr. Burman chairs the executive committee of the Mile High Health Alliance, a nonprofit that coordinates activities of medical, behavioral and social service providers in Denver. He also helped found the Metro Denver Partnership for Health, a group led by public health agencies serving the seven-county Denver metropolitan region. 

Peg Burnette, CPA
Chief Financial Officer

Peg Burnette began her Denver Health career in 1996 as director of Finance, and was promoted into associate chief financial officer and controller position. She was promoted to CFO in 2004. Under Ms. Burnette’s financial leadership, Denver Health has achieved record patient collection and income results by maximizing key revenue sources such as Medicaid and Commercial Insurance. Prior to joining Denver Health, Ms. Burnette served as the director of Budget and Reimbursement at National Jewish Health in Denver. Peg was selected as CFO of the year by the Denver Business Journal in 2010, and was featured in the June 2016 issue of Forbes Magazine ('Women Business Leaders').

Richard Dart, MD
Director of the Rocky Mountain Poison and Drug Center

Dr. Richard Dart specializes in emergency medicine and toxicology and is certified by the American Board of Emergency Medicine and American Board of Medical Toxicology. Since 1992, Dr. Dart has served as Director of the Rocky Mountain Poison and Drug Center. He is the Executive Director of Researched Abuse, Diversion and Addiction-Related Surveillance System. 

He has published more than 250 papers and chapters, as well as served as editor for the book, The 5-Minute Toxicology Consult and the third edition of Medical Toxicology. In 2002, Dr. Dart was recognized with a special citation from the Commissioner of the U.S. Food and Drug Administration and named the 2004 recipient of the Matthew J. Ellenhorn Award for Excellence in Medical Toxicology from the American College of Medical Toxicology. He also serves as a Deputy Editor of the medical journal, Annals of Emergency Medicine, and is the past president of the American Association of Poison Control Centers. 

Catharine Fortney
Chief Compliance and Audit Officer

Catharine Fortney has more than 12 years of experience in health care compliance and audit, and is a Certified Healthcare Compliance professional with extensive experience in building, implementing, maintaining and enhancing compliance and internal audit programs at numerous health care organizations. She is an expert in assessing compliance risks and prioritizing how organizations should focus their resources to address high-risk matters.

Fortney earned her undergraduate degree from Emory University’s Goizueta School of Business and her master’s in Science in Health Administration from the University of Colorado. Her current role at Denver Health includes the compliance and internal audit functions for the organization.

Michelle Fournier Johnson
Chief Human Resource Officer

Michelle Fournier Johnson joined Denver Health in 2017. She has worked in human resources (HR) for 27 years and spent the last 10 years in the health care industry. Michelle is passionate about developing leaders and driving positive change in health care to better serve patients.

Before joining Denver Health, Michelle served as the Group Vice President, Human Resources, at Centura Health and had responsibility for six of the system’s 17 hospitals. Prior to her role with Centura, Michelle was the Vice President of Human Resources at Fresenius Medical Care and was responsible for the medical services division in the western region. Her prior experience includes roles with AutoNation, Coors Distributing Company, Pepsico and Xerox Corporation.

Michelle received her bachelor’s degree in organizational psychology and employment relations and a master’s degree in labor and industrial relations from Michigan State University.

Amy Friedman
Chief Patient Experience Officer

Amy Friedman joined Denver Health in 2008 and was promoted to Chief Experience Officer in 2013. In her role, she supports improving the patient and family experience in the inpatient and ambulatory setting. During her time at Denver Health, Friedman has introduced a variety of customer service initiatives involving service recovery, employee recognition, and innovative patient and family services such as pet therapy, music therapy, on demand transportation services and No One Dies Alone. Friedman has extensive customer service work experience in the private and public sectors, including serving on the governor’s staff. She has an undergraduate degree from Colorado College and a master's degree from George Washington University.

Simon Hambidge, MD, PhD
Chief Ambulatory Care Officer 
Chief Executive Officer, Denver Community Health Services

Dr. Simon Hambidge is a trained pediatrician and was previously the Director of General Pediatrics for Community Health Services for eight years. He is a Professor of Pediatrics at the University School of Medicine in Aurora, and has practiced at Denver Health since 1997. As Denver Community Health Services Director, Dr. Hambidge oversees a network of nine community health centers and 17 school-based health centers, which provide health care to more than 150,000 patients, approximately one-fourth of the population of Denver. Dr. Hambidge continues to provide clinical care in the Webb Center for Primary Care’s Webb Pediatrics. He has published numerous articles on topics such as vaccine safety and pediatric obesity. He serves on the Board of Directors of the Denver Health Medical Plan, the Colorado Community Health Network, the Community Health Association of Mountain/Plains States, the Northeast Denver Initiative and Reach Out and Read Colorado.

Timothy J. Harlin, Sc.D., FACHE
Chief Operating and Acceleration Officer

Dr. Tim Harlin joined Denver Health in 2013 and serves as both Chief Operating Officer (COO) and Chief Acceleration Officer (CAO) . As COO, Harlin partners extensively with physician and nurse leadership to ensure high-quality, efficient operations throughout the Denver Health system. As CAO, he oversees strategy development, information technology, organizational development, business development and Denver Health’s extensive Lean efforts. Prior to joining Denver Health, Harlin was the COO of the Hennepin Health System in Minneapolis, Minnesota. He earned a Doctor of Science from the University of Alabama at Birmingham, and an MBA in general management from Emory University. 

Romana Hasnain-Wynia, MS, Ph.D.
Chief Research Officer

Dr. Romana Hasnain-Wynia oversees Denver Health’s research and sponsored programs through the Office of Research, which works to develop new and improved ways to provide the highest quality care to Denver Health’s diverse patient population, and to be a model of research excellence among academic safety net institutions. Prior to this role, Dr. Hasnain-Wynia served as the Director of the Addressing Disparities Program at the Patient-Centered Outcomes Research Institute (PCORI), where she set strategic direction for funding and disseminating patient-centered comparative effectiveness research that focused on reducing disparities and advancing equity in health and health care. 

Dr. Hasnain-Wynia also has worked in academic medicine as director at the Center for Healthcare Equity and Associate Professor at Northwestern University, Feinberg School of Medicine. While at Northwestern, she served as the Associate Director of the Agency for Healthcare Research and Quality (AHRQ)-funded T-32 post-doctoral training program in Health Services and Outcomes Research. She spent more than a decade at the Health Research and Educational Trust of the American Hospital Association, serving as the Vice President for Research. She now serves on expert panels for the Joint Commission, Brookings Institution, National Quality Forum, Robert Wood Johnson Foundation, AHRQ and National Academies of Science. Hasnain-Wynia is also on the Health Affairs and Health Services Research editorial boards.

Paula Herzmark
Executive Director of the Denver Health Foundation

Paula Herzmark joined the Denver Health Foundation as executive director in 2004. She previously served as chief executive officer (CEO) for the Robert E. Loup Jewish Community Center. From 1982–1990 she was the CEO of a cable corporation, and from 1977–1982, she served as the executive director of the Colorado Department of Local Affairs. She also served as the governor’s legislative liaison. Prior to acting as a liaison, Herzmark held several positions with government and nonprofit organizations. She is currently a commissioner for the Denver Water Board (appointed by the mayor of Denver), a Colorado Women’s Chamber Athena Award winner and a Mile Hi Girl Scout Council “Woman of Distinction.” Herzmark chaired the Denver Health Board of Directors from 1997–2004.

Scott Hoye, JD
General Counsel

Scott Hoye began his career at Denver Health in 1998 as Assistant General Counsel with a focus on construction contracts, managed care and general health law. Hoye has an undergraduate degree from the University of Nebraska-Lincoln, and a law degree from Creighton University. Prior to Denver Health, Hoye served in the U.S. Army as a military attorney and afterward joined a private practice. Heserved as Interim General Counsel from April 2012, until his appointment as General Counsel in 2013. Hoye oversees the Legal and Risk Management departments at Denver Health and serves as Secretary to the Denver Health and Hospital Authority Board of Directors.

Thomas MacKenzie, MD, MSPH
Chief Quality Officer

Dr. Thomas MacKenzie is a practicing internal medicine physician and has been the Chief Quality Officer for Denver Health since 2008. In this role, he has orchestrated improvements in clinical quality and patient safety using a variety of techniques across an integrated delivery system. Prior to his appointment, he was the Director of Internal Medicine at Denver Health and managed operations at five ambulatory clinics that saw nearly 100,000 visits per year. He is also a Professor of Medicine at the University of Colorado School of Medicine. From 2008-13, he served on the National Heart, Lung and Blood Institute (NHLBI) guideline panel for hypertension (appointed as JNC 8), and as a part of the NHLBI implementation sciences work group. 

He earned his bachelor’s degree in chemistry at Colorado College and his medical degree from the Washington University School of Medicine. He completed his internal medicine and preventive medicine residencies, as well as his masters of science in public health at the University of Colorado School of Medicine. His research interests include health system learning, evidence-based guideline development and implementation, chronic disease management health communications. 

Greg McCarthy
Chief Executive Officer of Denver Health Medical Plan

Greg McCarthy joined Denver Health Medical Plan in 2017, bringing a broad spectrum of health plan experience. McCarthy’s career has encompassed large group plans and individual health plans as well as government products. Before joining Denver Health he spent 13 years at Martin’s Point Health Care in Portland, Maine, filling a number of high-level leadership roles, culminating with Senior VP Health Plan Operations. He also served as Vice President of Operations for Community Health Options in Lewiston, Maine.

McCarthy earned his bachelor’s degree in Public Management from the University of Maine and his master’s degree from DePaul University’s Charles H. Kellstadt Graduate School of Business.

Abraham M. Nussbaum, MD, MTS
Chief Education Officer

Dr. Abraham M. Nussbaum provides strategic vision, daily direction and administrative oversight for Denver Health’s health professional education programs, which educate more than 2,000 learners annually. He is the Denver Health Designated Institutional Officer for the Accreditation Council for Graduate Medical Education.

Dr. Nussbaum previously directed Denver Health’s adult inpatient psychiatry units, which care for adults throughout Colorado experiencing mental health crises.

A Colorado native, Dr. Nussbaum studied literature and religion at Swarthmore College in Pennsylvania, and completed medical school and his psychiatry residency at the University of North Carolina. He has authored 26 peer-reviewed articles and six book chapters. As an associate professor of psychiatry at the University of Colorado School of Medicine, he developed an award-winning curriculum for interviewing patients, which evolved into the best-selling Pocket Guide to the DSM-5 Diagnostic Exam, which has been translated into thirteen languages.Along with national leaders in child and geriatric psychiatry, he subsequently published textbooks for the care of children and older adults with mental illness. His most recent book is a memoir entitled The Finest Traditions of My Calling: One Physician's Search for the Renewal of Medicine, in which The New York Times wrote that no physician “in recent memory has wielded a set of intellectual and writerly tools to such dazzling and instructive effect.”

Connie Savor Price, MD
Chief Medical Officer

Connie Savor Price is a professor of medicine in the division of infectious diseases at the University of Colorado School Of Medicine. Prior to her current role, she served as the Chief of Infectious Diseases and the Medical Director of Infection Control and Prevention at Denver Health for 13 years. Dr. Price is board certified in internal medicine, infectious diseases and medical microbiology. Her research and clinical interests have been focused in health care epidemiology and methods to prevent and rapidly detect emerging and antimicrobial resistant infections.

Dr. Price has a track record of successfully securing federal funding as a Principal Investigator from the National Institutes of Health, the U.S. Department of Defense and the Agency for Healthcare Research and Quality. She has published and lectured extensively on the prevention of health care-associated infectious diseases and other related topics. She is active in the Infectious Diseases Society of America, served in an elected position on the Board of Directors of the Society of Healthcare Epidemiology of America and chaired the American Society for Microbiology section on health care epidemiology. She is a recognized expert in outbreak management, serving as the Medical Director Denver Health's Regional Ebola and Special Pathogens Treatment Center, and has been a consultant to public health authorities on control of emerging infections around the world.

Elbra Wedgeworth
Chief Government and Community Relations Officer

The Honorable Elbra Wedgeworth, began working as the Chief Government and Community Relations Officer in 2007, leading all hospital legislative policy matters on the local, state and federal level community engagement initiatives. Wedgeworth earned a bachelor of arts in sociology/anthropology from the University of Redlands in Redlands, California, and began her public service career with the city of Denver in 1989. She has the unique distinction as the only person who is known to have served in all three branches of city government in Denver: City Council, City Auditor’s Office and Mayor’s Office. In December 1999, Wedgeworth was elected as the City Council Representative for District #8, then elected as Council President Pro-Tem from 2002-03 and Council President from 2003-05. She served as the President/Chair of the Board for the Denver Convention Host Committee for the historic Democratic National Convention in 2008.

Wedgeworth was elected as the President of the Denver Union Station Project Authority Board of Directors in 2008, and appointed to serve on the Board of Trustees for FirstBank Holding Company in 2017.