Speaker Biographies

Carol Calvin, RN, MS, CPHQ

Carol Calvin is the national director of health and wellness strategies for UnitedHealthcare. Carol is a board-certified registered nurse and cardiovascular clinical nurse specialist, and a Certified Professional in Health Care Quality (CPHQ). She earned a Bachelor's degree from Texas Woman's University and a Master's degree from the University of Oklahoma. An accomplished leader and national speaker on chronic conditions, prevention, health education and workplace health promotion, Carol has received numerous accolades, including Who's Who in Healthcare.

Linda Chous, O.D.

Read Dr. Linda Chous's blog in our Contributing Experts section.

Dr. Linda Chous has more than 20 years of experience in private practice and is a specialist in pediatric optometry. She is past president of the Minnesota Optometric Association, and as the Chief Eye Care Officer for UnitedHealthcare, she provides clinical leadership for the advancement and delivery of eye care wellness and disease management programs.

Arleen Fitzgerald, L.I.C.S.W., Behavioral Health Consultant

Read Arleen Fitzgerald's blog in our Contributing Experts section.

Arleen Fitzgerald has a master's degree and has been an independently licensed clinical social worker and psychotherapist for the past 20 years. Arleen has experience in public and private practice settings and specializes in medical-behavioral integration. She is a behavioral health consultant for consumer health publications for OptumHealth and UnitedHealthcare.

Blair Gowens

Blair Gowens is a senior wellness consultant for UnitedHealthcare. As a consultant, Blair coordinates and manages on-site wellness programs of other coordinators. Prior to becoming a consultant, he worked as a health and wellness coach for the City of Fort Worth's wellness program. He created and taught group exercise programs and worked as a one-on-one personal trainer with people dealing with morbid obesity. Blair is a certified personal trainer, as well as a certified health promotion director from the Cooper Institute in Dallas.

Tina Groat, MD, MBA

Dr. Tina Groat holds a medical degree and an MBA from Harvard Medical School and a MBA from the University of Michigan. She did her residency in obstetrics and gynecology at Duke University Medical Center, serving as assistant administrative chief resident. After residency, Dr. Groat worked as an assistant professor of clinical ob/gyn at Indiana University School of Medicine and as a clinical instructor at the University of Michigan Obstetrics and Gynecology Department. Dr. Groat is the national medical director of women's health and genetics for UnitedHealthcare.

Carol A. Harnett, MS

Carol Harnett is an absence and health care consultant, speaker and writer. She works with employers, insurance companies and health and disability organizations on personalized approaches to helping employees maximize their health and cope with situations that put them out of work. Carol received a bachelor of science degree in biological chemistry from St. Peter's College and a master of science degree in physiology and biophysics from Rutgers University.

Patricia T. Horvath, RN, MSN

An accomplished author, lecturer and national speaker on public health, health education and workplace health promotion, Trisha Horvath is managing director of health and wellness strategies for UnitedHealthcare. She previously served as executive director and CEO of HealthSpace Cleveland as well as president of the International Center for Health Promotion Inc. Prior to that, she was a cardiac nurse at the Cleveland Clinic, and assistant professor and director of cardiovascular specialty at Yale University's Medical-Surgical Graduate Nursing Program. Horvath earned a BS degree from St. Louis University and master's degree in nursing from Case Western Reserve University.

Tasha Joshua

Tasha Joshua is an onsite wellness coordinator for UnitedHealthcare. In this role, Tasha is a dedicated resource for her clients, creating strategic wellness programs to engage and promote awareness on various health related topics that are designed to maintain and improve the health of their workforce. Prior to working with UnitedHealthcare, Tasha designed and planned wellness programs for a company of nursing facilities. Tasha is a certified health education specialist with more than six years of wellness program experience.

Winnie King, MD

A board-certified emergency medicine physician, Dr. Winnie King has practiced medicine for over 20 years, and has become a well-known and respected physician and talk show host. Dr. King won her fourth Emmy Award in 2008 as host of the nationally syndicated PBS show "Keeping Kids Healthy." She has also served as host for numerous other television shows on PBS, Lifetime Network, and America's Health Network and has made special guest appearances on Oprah, Montel and The John Walsh Show. An advocate for women's and children's health, Dr. King is known for her warmth, humor and ability to explain complex issues with ease.

After completing her medical school and emergency medicine residency training at Howard University in Washington D.C., Dr. King practiced in several cities including Washington, D.C., Baltimore, Los Angeles and Orlando. She currently practices in Houston and is affiliated with St. Luke's Episcopal Hospital.

Jason Lee, Wellness Consultant

Jason Lee is a senior wellness consultant for Optum, a UnitedHealth Group company. As a consultant, Jason works closely with clients on their wellness programs, incentives and communications strategy and management. Prior to becoming a consultant, he was a product manager leading the development and launch of Optum's tobacco cessation program, QuitPower®. He then served as director of product management for Optum's QuitPower, Healthy Weight and Wellness Coaching telephonic coaching programs, as well as wellness publications. Jason is a regular presenter in Optum's Culture of Health Institute webinar series.

John Luther, DDS

Dr. John Luther is the chief dental officer for UnitedHealthcare. He provides strategic direction for disease management and wellness programs, including those impacting oral health in early childhood. Dr. Luther is a graduate of the University of Southern California and Northwestern University. He previously served as senior vice president of dental practice at the American Dental Association (ADA).

Rhonda Medows, MD

Dr. Rhonda Medows is chief medical officer for UnitedHealth Group's government health programs, including Medicare, Medicaid, and Military & Veterans. Before joining the company, Dr. Medows served as commissioner for the Georgia Department of Community Health and state health officer for Georgia. Dr. Medows is board certified in family medicine and a fellow of the American Academy of Family Physicians. She practiced medicine at the Mayo Clinic in Jacksonville, Fla., and served as a clinical instructor there for medical students and residents.

Elizabeth Miller, MD, PhD

Dr. Elizabeth Miller is the Chief of Adolescent Medicine at the Children's Hospital of Pittsburgh at the University of Pittsburgh Medical Center. Her current research includes examining the prevention of sexual violence among teens.

Barbara K. Moeller, RN, PHN

Barbara has been a registered nurse for 44 years and a Public Health Nurse for 29 years. She worked as an Emergency Department nurse in Seattle, Denver, San Diego and Minneapolis for 15 years. After obtaining her BSN, Barb worked as a Medicare nurse and then as a case manager for the Hennepin County Community Health Department. Barbara supports UnitedHealth Group's Solutions for Caregivers in various roles as a consultant.

Susan B. Parks, CEO, WalkStyles

Sue Parks is founder and CEO of WalkStyles, a company devoted to helping people live active, healthy lifestyles. Prior to the launch of WalkStyles, Parks held the number two positions at Kinko's and Gateway as well as executive roles at US West. It was during her corporate years that Parks became a 10,000 steps a day walker. She is the co-author (with Pat Bonavia, VP of Corporate Wellness for WalkStyles) of "I Count: 10 Simple Steps to a Healthy Life". Parks founded the Women's Philanthropy Fund with Orange County's United Way. She serves on the Orange County boards of the United Way, Susan G. Komen, UC Irvine Paul Merage School of Business, WomanSage and the Girl Scouts.

Rhonda L. Randall, D.O.

Dr. Rhonda Randall is senior medical director and vice president of clinical performance for Ovations and national medical director for Evercare Hospice and Palliative Care, UnitedHealth Group Companies. She received her medical degree from the Philadelphia College of Osteopathic Medicine, and completed her internship, family practice residency and geriatric fellowship at Florida Hospital in Orlando, Fla., where she served as chief intern and chief resident.

Dr. Randall is a member of the American Osteopathic Association, the American Geriatrics Society, the American Academy of Hospice and Palliative Medicine, the American Academy of Home Care Physicians, and the American Medical Directors Association, where she currently serves as a state delegate, chair of the Florida chapter's education committee as well as the immediate past-chair of the hospice sub-section.

Jacqueline Stiff, M.D.

Dr. Stiff holds a Bachelor of Science degree from Cornell University and received her medical degree from Columbia University. After completing her pediatric residency training at the University of California, Los Angeles, she completed the Robert Wood Johnson Clinical Scholars Program, and received a Masters of Science in Public Health from UCLA. She is board certified in both general preventive medicine and pediatrics.

Dr. Stiff is vice president, health care strategies for UnitedHealthcare, providing clinical consultation and supporting national account customers for advancing the affordability of each client's health care benefits through consultative deployment of UnitedHealth Group's full range of capabilities, as well as participating in the early development and program implementation phases for new business.

Audrey Thomas, CSP, Organized Audrey

Audrey Thomas is owner of Organized Audrey and LeanOffices.com. As a national speaker, she is passionate about transferring skills to others so they can learn how to become better organized and make life-lasting improvements. She is a recognized expert in the organization field having been nominated for the prestigious Founders' Award of the National Association of Professional Organizers. Audrey has authored several books, including "50 Ways to Leave Your Clutter," and "Getting Organized with Microsoft Outlook."

Aretha (Hill) Thurmond, Olympic Athlete

Aretha (Hill) Thurmond was barely 14 years old when she picked up a discus for the first time in the spring of 1991, but by the end of that first track season she had developed a passion for throwing. She also developed a passion for winning. She took second at state that first year. Disappointed, she set a goal to take first. She took first for the next three years and broke her own state record in her senior year. Aretha received a track and field scholarship to the University of Washington and earned a berth on the United States Olympic Team in her sophomore year. After graduation from college, Aretha moved to Tennessee and then to Auburn, Alabama to train full time. She is committed to medaling at the Olympics before she concludes her throwing career.

Carrie Tollefson, Olympic Athlete

Carrie Tollefson, a 2004 Olympian and member of Team Adidas since 2000, won 13 state high school championships, including five consecutive individual cross country state championships, which is still a national record. She also won five NCAA individual championships and a team cross country championship while at Villanova University. Since turning pro, she has been a three-time national champion – in the 1500 meters, 3000 meters, at 4k in cross country – and an Olympian in the 1500 meters competing in Athens.

Nancy Williams, MS, RN, PHN

Ms. Williams has over 30 years of leadership experience in providing care to frail, vulnerable and chronically ill populations both in the US and UK. She has experience in program development ranging from comprehensive home care services, including hospice, palliative care, infusion therapy, and private duty services. She has designed and developed clinical models for public and private sectors including chronic disease and high-risk management. Currently Nancy is Senior Director of the Advanced Illness and Palliative Care Services for Ovations. Ms. Williams has a BSN with Distinction from the University of Minnesota and a Master of Science Degree in Public Health Nursing and Public Health from the University of Minnesota. Nancy is a member of Sigma Theta Tau.

Deneen Vojta, MD

Deneen Vojta, MD is senior vice president of the UnitedHealth Center for Health Reform and Modernization. In this role, she created the partnership with the Center for Disease Control and Prevention and the YMCA-USA, to launch the National Diabetes Prevention Program and now serves as executive vice president and chief clinical officer of the Diabetes Prevention and Control Alliance.

Dr. Vojta previously served as vice president of research and innovation for UnitedHealthcare. Under her leadership, Vojta forged practical and sustainable solutions for issues confronting the health care system, including payment reform and chronic care delivery – most notably introducing a Diabetes Health Plan to the commercial marketplace.

Kathleen Zelman, MPH, RD

Read Kathleen Zelman's blog in our Contributing Experts section.

Kathleen Zelman is a nationally-known nutrition correspondent, editor, and contributing writer of diet and nutrition articles. She currently serves as director-at-large on the ADA Board of Directors, and received the prestigious American Dietetic Association (ADA) "Media Excellence Award" for her contribution and commitment to educating consumers about food and nutrition issues through the media. Zelman's experience includes co-hosting a weekly radio program, serving 12 years as a national spokeswoman for the ADA, and making numerous print and television appearances including CNN, Good Morning America, NBC Nightly News, The Wall Street Journal and The New York Times. She graduated from Montclair State University and received her Master's degree in public health from Tulane University.

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