Executive Leadership Team
To learn more about individuals on our management team, click on their profiles below:

Mark J. Emkjer is currently the Chief Executive Officer of the Health Services Division of WebMD. From May 2004 to January 2009, he was CEO, President, and Board Member of Accelrys, Inc., a publicly-traded (NASDAQ: ACCL) software company serving the pharmaceutical and biotech industries. Prior to Accelrys, Mark served as the President and CEO of Sunquest, a leader in the combined fields of laboratory, pharmacy, and diagnostic information solutions for hospitals across the globe. During Mark’s tenure, Sunquest was also traded on the NASDAQ exchange.
Mark has held executive-level positions with a variety of other companies since graduating with a Masters in Business Administration and International Finance from the University of Miami in Florida.

Scott Heimes oversees marketing, product management, consumer engagement, analytics, and strategic planning for WebMD Health
Services. Previously he was senior vice president of consumer solutions for OptumHealth, a health management and well-being services company that is one of six operating companies within UnitedHealth Group. In this role, Scott led OptumHealth’s direct-to-consumer media and e-commerce businesses, its interactive health management solutions, and the company’s consumer engagement services agency.
Scott has also served as the senior vice president, marketing and e-commerce for the Enterprise Services Division of UnitedHealth Group (composed of OptumHealth, Ingenix and Prescription Solutions businesses) and vice president of marketing and e-commerce for Ingenix. Prior to joining UnitedHealth Group, Scott was group manager of interactive marketing for Target Corporation, where he oversaw the marketing planning and strategy for Target’s interactive marketing and innovation efforts, including Target.com and 35 other Target-branded web experiences. He has also held several prior executive marketing and editorial management positions, including president of interactive agency Virtucom Content Solutions, chief content officer for e-catalog services company Pacifiq Technologies, and editor-in-chief of Presentations magazine.
He holds degrees in English literature and business administration from the University of St. Thomas.

William ("Bill") Spehr is responsible for the consolidated sales organization at WebMD Health Services. He oversees all sales initiatives within existing and new markets and across all major lines of business. In this position, Bill leverages more than 25 years of success and experience in the healthcare industry. His unique perspective enables him to work with employers, health plans, and all industry stakeholders to design and implement strategic solutions that address fundamental population health challenges and issues.
Prior to joining WebMD, Bill served as a senior vice president of sales and account services at CVS Caremark where he had profit-and-loss responsibility for its $15 billion health plan segment. Under Bill’s leadership, the segment grew rapidly as an innovative supplier to Blue Cross Blue Shield plans, national for-profit plans, insurance carriers, Medicare Part D, and the managed Medicaid sector. Bill has held leadership roles at United HealthGroup and Metropolitan Life Insurance Company, and was a member of the health and welfare consulting practice at Buck Consultants, Inc.
Bill holds a bachelor’s degree in political science from the State University of New York (College at Oneonta), as well as a master’s degree in public administration, with a concentration in health policy analysis and management, from New York University. Additionally, he is an active member of the Sales Leadership Roundtable (a division of the Corporate Executive Board).

Dr. Tim Moore serves as the chief medical officer for WebMD Health Services and is responsible for the clinical effectiveness of all WebMD health management products and services. Tim oversees WebMD initiatives, serves as a liaison with industry trade groups and clinical bodies and also leads the WebMD Health Services clinical advisory board. Tim’s career as an experienced physician executive spans more than 25 years. Most recently, Tim served as the chief medical officer at Sanare LLC, an innovative healthcare company offering comprehensive diabetes management solutions. Immediately prior to his time at Sanare, Tim spent more than eight years as an executive vice president at Alere Health where he was both the chief medical officer and, for a period of time, the chief marketing officer.
Tim is board-certified in family practice and medical management. He has a B.S. in Natural Science from the University of North Dakota, a M.S. in Administrative Medicine from the University of Wisconsin, and a M.D. from the Vanderbilt University School of Medicine.

Matt Donaldson is responsible for the strategic development and ongoing delivery of the health coaching business for WebMD Health Services. Most recently, Matt was executive vice president of professional services at Emdeon Business Services, where he developed and implemented growth strategies targeted toward the professional clinical market, including physicians, practice management system vendors, billing services, and clearing houses.
Prior to Emdeon, Matt served as senior vice president of Memberworks, a provider of lifestyle membership programs to the consumer market, overseeing its North American business. Before this, Matt worked for Medco, a prescription benefit-management company, where he implemented strategies and programs with providers to optimize prescribing behaviors. Matt has also held general management roles at Consumer Health Services and MCI.
Matt graduated from Washington and Lee University with a bachelor's degree in commerce.

Prior to joining WebMD Health Services, Chris served as chief technology officer of TSSI and Corillian Corporation. While at Corillian, Chris was responsible for all product software development and the technology roadmap for the $60 million, publicly traded enterprise software company. Chris has an established track record leading successful technology organizations. He brings many years of experience delivering high-quality software products and has reached industry-leading levels of productivity, quality, and customer satisfaction.
Chris has a master’s degree in electrical and computer engineering from the University of California, Santa Barbara and BS degrees in electrical engineering and computer science from Washington University in St. Louis, Missouri.
Chris is president and board chairman of TechStart Education Foundation and is very active in promoting technology and computer science education in Oregon K-12 schools.

Katie Hollister is responsible for managing professional services for WebMD Health Services. Prior to joining WebMD, Katie was Vice President of Worldwide Client Services for Accelrys, a scientific business intelligence software vendor. While at Accelrys, she built a consulting department and a contract research department that increased services revenues from less than 1% to more than 10% of total revenue. Throughout her career, Katie has focused on driving efficiencies and improving quality in service delivery through business process innovation.
Katie has extensive experience in healthcare IT, having held executive-level client service positions at Sunquest Information Systems, a diagnostic information technology firm, and Triple G, a laboratory information systems provider. She holds Masters’ Degrees in both Clinical Chemistry and Adult Education.

Charles (“Charlie”) Harper is responsible for the leadership of the human resources department at WebMD Health Services and serves as a strategic business partner for each of the internal divisions.
Prior to joining WebMD, Charlie was vice president of human resources and organizational development for Fresenius Medical Care - North America where he had responsibility for all HR field services and strategic initiatives for employee relations, organizational development, executive coaching, business partner support, recruitment, HR training, and alignment of HR strategies with organizational strategic initiatives. Charlie has formerly held HR leadership positions at Washington Mutual, Kaiser Permanente, and Longview Fibre Company.
He has a bachelor’s degree in Liberal Arts from Eastern Oregon University and is a graduate of Babson College’s Executive Leadership and Innovative Strategies Program. Additionally, Charlie is a Certified Human Resources Professional (CHRP).
Vice President, WebMD
Dr. Brad Bowman develops unique clinical information systems and proprietary software programs that analyze the clinical, genetic, and environmental basis of common and treatable illnesses. With more than 17 years of experience as a computer programmer, Dr. Bowman, a pioneer in health risk assessments, is responsible for the creation of WebMD's Digital DNATM and HealthQuotientSM systems. Brad is a practicing physician and serves as an assistant professor of medicine at Oregon Health Sciences University. Previously, Brad served as chairman of the Division of Internal Medicine at Legacy Portland Hospitals. Brad has participated in cardiac research and has published several articles. He received his doctorate of medicine from the University of Washington.
Senior Medical Editor, WebMD
Dr. Brunilda Nazario has been with WebMD since 2002 and is responsible for reviewing WebMD content, news, feature stories, and graphics to ensure their medical accuracy. Additionally, Brunilda serves as the health expert for Women's Health Magazine. Brunilda was invited to be a consultant for the Therapeutic Options for Menopausal Health group in 1999 and 2000 and the Council on Hormone Education in 2002. Her interest in heart disease and lipid disorders has led to her participation in the Johns Hopkins University of Medicine Lipid Disorders Training Center Program.
Prior to WebMD, Brunilda consulted in endocrinology, focusing on hypertension, lipid and diabetes management, nutritional and weight management, and endocrine gland disorders. She has also worked with many women suffering from reproductive endocrine issues such as polycystic ovary syndrome, hirsutism, basic infertility management, and menopausal management with a focus on osteoporosis.
Previously, Brunilda served on the faculty at the University of New Mexico in Albuquerque, while maintaining a private practice in Santa Fe, New Mexico. Prior to that, she was a faculty member at the University of California in Irvine, which she joined after completing a fellowship in endocrinology and metabolism at that university. During her fellowship, Brunilda was involved in research on vascular peptides and their interaction, for which she received the Merck Senior Fellow Award for Notable Research in 1994.
Brunilda is board-certified in both internal medicine and in endocrinology and metabolism. She is affiliated with numerous organizations including the American College of Physicians, The Endocrine Society, and the American Diabetes Association for Health Professionals. Brunilda is also a member of the Continuing Medical Education (CME) Advisory Committee for the Endocrine Society.
After obtaining her medical degree at the University of Noreste School of Medicine in Mexico, Brunilda completed her residency in internal medicine at Mount Sinai Medical Center in New York City and at the University of California in Irvine.
Director of Nutrition, WebMD Health, WebMD Weight Loss Clinic
Kathleen Zelman, MPH, RD, LD, oversees diet, nutrition, and food content for both WebMD and the Weight Loss Clinic. Among other duties, Kathleen serves as senior nutrition correspondent, writes weekly features, columns, newsletters, provides expert editorial review of diet and nutrition articles, and covers national meetings.
Kathleen has extensive media experience, including co-hosting a weekly radio program, 12 years as a national spokeswoman for the American Dietetic Association, and numerous print and television appearances, including CNN, Good Morning America, NBC Nightly News, The Wall Street Journal, and The New York Times. In 2007, Kathleen was awarded the prestigious American Dietetic Association “Media Excellence Award” for her contribution and commitment to educating consumers about food and nutrition issues through the media. She is a contributing writer for newspapers, magazines, and books, including Paul Prudhomme's A Fork in the Road, Healthy Eating for Babies and Toddlers, and A Harvest of Healing Foods.
Kathleen has been a dietetic internship director at Ochsner Medical Institutions and assistant professor of nutrition at St. Mary's Dominican College, both in New Orleans. She has extensive experience working with children and weight management clients, chefs, and restaurants in analysis and development of healthy recipes.
Active in local, state, and national dietetic associations, Kathleen served as a trustee of the Georgia Dietetic Foundation and is in her second term as the Georgia delegate to the American Dietetic Association. She received her master's degree in public health from Tulane University and her bachelor of science from Montclair State University.
Medical Editor, WebMD
Dr. Louise Chang is part of the WebMD medical editing team and is responsible for reviewing WebMD content, news, and feature stories to ensure their medical accuracy. In this capacity, Louise shares the WebMD mission to provide the most accurate and useful medical information. With broad experience of both inpatient and outpatient practice in urban and suburban settings, Louise has always considered herself a patient advocate and educator at heart. Immediately prior to joining WebMD, Louise worked as an attending physician and clinical instructor at Grady Memorial Hospital as part of the Emory School of Medicine in downtown Atlanta. In this role, Louise was responsible for seeing patients, working with, and teaching medical residents and students.
A member of both the American College of Physicians and the Society of General Internal Medicine, Louise has published and presented prior research work at regional and national conferences. Board-certified in internal medicine, Louise attended medical school at New York Medical College. She completed her internal medicine residency at Saint Vincent's Hospital in New York City, where she also served as a chief resident from 2001-2002. Louise holds an undergraduate degree from Stanford University.
Medical Editor-in-Chief, WebMD
Dr. Michael W. Smith is the chief medical editor at WebMD Health, in charge of original WebMD content creation, including medical news, features, tools, and health reference information. Michael oversees a staff of editors, writers, and physicians responsible for creating content and assuring its continued medical accuracy and relevance to the WebMD audience. He has been with WebMD since 1999.
Michael has appeared on Fox News, DirectTV's Retirement Living channel, and in multiple print publications, including Newsweek and USA Weekend. In interviews with local radio stations and newspapers across the country, Michael has spoken on topics ranging from hangover remedies to navigating the Internet for accurate, credible health information. As a general internist, Michael brings interest and knowledge that spans a wide array of medical topics, but he is particularly interested in prevention and helping people live a healthy, active lifestyle. Having developed ankylosing spondylitis in his college years, he has a personal interest in arthritis.
Prior to WebMD, Michael was in private practice as a primary care physician in a primary care network in Atlanta. He is a member of the American College of Physicians and the American Medical Association.
Board-certified by the American Board of Internal Medicine, Michael completed his residency in internal medicine at the Medical Center of Central Georgia in Macon and at the Georgia Baptist Medical Center in Atlanta, serving as chief resident in his final year. Michael is a 1994 graduate of the Mercer University School of Medicine in Macon, Georgia.