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Board of Directors

Christopher K. Payne, MD


Christopher K. Payne, MD, has served as WFF Board Chair since May 2017. He has made several trips to Africa including six months sabbatical time to provide treatment for and conduct research about obstetric fistulas. He has twice served as a Trustee of the International Continence Society and is a current member of the ICS Developing World Committee.

Originally from West Virginia, Dr. Payne graduated Phi Beta Kappa from the University of Virginia. He earned his MD at Vanderbilt University and completed his urology residency at The Hospital of the University of Pennsylvania in Philadelphia. Following his fellowship in Female Urology, Urodynamics, and Pelvic Reconstructive Surgery at the University of California Los Angeles, Dr. Payne joined Stanford University in 1993 to launch their program in Female Urology and NeuroUrology. He left Stanford in 2014 as Emeritus Professor having published over 100 articles and book chapters during his tenure.

Dr. Payne has since co-founded Vista Urology and Pelvic Pain Partners in San Jose, CA. He continues to focus his work in Female Urology with a special interest in urinary incontinence, chronic pelvic pain, and pelvic reconstructive surgery with a special interest in native tissue repairs. He continues to be in demand as a speaker at national and international urology meetings.

Kathleen Davis, MD

Vice Chair

Kathleen Davis, MD has seen firsthand that once obstetric fistula patients are treated, they become advocates who educate their own communities in support of safe childbirth.

Kathleen is a retired internal medicine physician with more than 30 years of experience in clinical medicine, public health, health education and program evaluation. In addition to U.S. hospitals, she has taught medicine as guest faculty at hospitals in Uganda, Cambodia, Bhutan, and Laos. She has also provided medical care in mobile clinics in refugee camps in Northern Uganda.

Kathleen has studied international development at Seattle University and has diplomas in International Program Monitoring and Evaluation from Carleton University, Canada and the World Bank and in Tropical Medicine and Hygiene at the Liverpool School of Tropical Medicine.

Mary Rose Keller

Vice Chair

Mary Rose Keller has demonstrated success in all operational aspects of global clinical trials from preclinical through post-marketing stages for drug, biologic, and diagnostic products across multiple therapeutic areas.

Mary Rose attended the University of California, Davis, accepted a research position with the School of Medicine, Cancer Research Institute, and spent ten years working to bring community physicians into clinical research.  She transferred to UC San Francisco to work with the first clinicians to research opportunistic infections as part of the AIDs crisis. She has worked with biotech companies such as Agouron and Sangart, as well as pharma companies such as Pfizer and Shire.

Mary Rose completed a leadership program at the Wharton School in Philadelphia and she has been a featured speaker in a number of drug development and clinical trial conferences.  She is on the Editorial Board of Life Science Leader Magazine and continues to work in drug development for Heron Therapeutics in San Diego.

Nancy Muller, PhD


Nancy Muller, PhD, currently serves as a WFF Board Director. She previously served as Board Chair and Board Treasurer. She is a seasoned executive with 21 years of healthcare sector experience including 13 years as executive director of the National Association For Continence, a national public education and patient advocacy organization. She has served on numerous local, national, and international boards; is published widely in journals; and has made numerous presentations at conferences nationally and globally. Dr. Muller’s 40-year professional career includes 15 years of corporate business achievements in international sales management, strategic planning, business development, product line marketing, and corporate finance. She is currently director of the Lowcountry Graduate Center at the College of Charleston where she is visiting associate professor of healthcare management. Dr. Muller teaches both healthcare marketing and the structure of the US healthcare system at the College of Charleston.

Dr. Muller grew up on her family’s farm in South Carolina. After graduating magna cum laude from Duke University, she earned her MBA from The Darden School at the University of Virginia and her PhD in health services research from Virginia Commonwealth University. Fluent in French, she has lived abroad in The Netherlands and France and visited 40 countries. She actively serves in her metro area’s population health initiative and other areas of community outreach and service.

Michael R. Wittek, MSW


Michael R. Wittek, MSW, joined the WFF Board of Directors in late 2012 and serves as current Board Treasurer. Securing services for women in need of fistula repair provides Mr. Wittek an ongoing opportunity to continue his career-long work of advocacy for access to preventive services and effective health care interventions.

Prior to his semi-retirement in May 2012, Mr. Wittek worked for decades to ensure patient access to health care from a number of perspectives. He managed employee health benefits for a large international computer firm and served on the management team of one of Minnesota’s largest health plans where he was a member of the plan’s health technology assessment committee. Most recently he was responsible for the health policy and planning function for the gastroenterology and urology area of Medtronic’s Neuromodulation Division. In his capacity with Medtronic, Inc., Mr. Wittek was responsible for paving the way for patient access to a number of new and novel therapies, including some with humanitarian use device designations. Medtronic, Inc. is a multinational medical device manufacturer that uses technology to transform the way debilitating, chronic diseases are treated.

In his semi-retirement, Mr. Wittek owns and manages a small commercial vineyard in southern Minnesota. The vineyard produces cold-hardy grapes for local wineries.

Patrick Guilbaud, PhD, MESE, MBA

Assistant Treasurer

Patrick Guilbaud, PhD, MESE, MBA, originally from Haiti, currently serves as Director of Extended Education and Summer School as well as Associate Professor at Winthrop University. Dr. Guilbaud earned his graduate degrees in Business, Systems Engineering and Instructional Technology at the University of Virginia and also holds a Bachelor’s degree in Business Administration from the University of Florida. Dr. Guilbaud lived and worked in Senegal for about 4 years and has spent quite a bit of time in Uganda and Kenya supporting human capacity building education and research in both countries.

Dr. Guilbaud currently leads the development and roll-out of academic programs that meet the needs of post-traditional students seeking to advance their careers. Prior to this role, he spent over 15 years leading, developing and supporting global human capacity building both in the public and private sectors.

Drew R. Arenth, MBA

Drew R. Arenth, MBA is the Chief Business Officer at macro-eyes, an Artificial Intelligence company for global healthcare operations and clinical predictive analytics. He is also a Draper Richards Kaplan Social Impact Fellow, World Affairs Council Fellow, and Principal Investigator (PI) for Gates Foundation funded initiative designing and deploying the first AI powered health supply chain in East Africa. Previously, he was a Principal with Strategic Leadership Services at Providence St. Joseph Health; research consultant for Global Good/Intellectual Ventures: Director of International Business Development for Foss Maritime; and co-founder of Biokick, a startup web-based platform focused on attracting private funding to mid-stage life-sciences research.

Drew earned his MBA and Global Business Certificate from the Foster School of Business at the University of Washington; International Crisis Negotiations Certificate from the Jackson School of International Studies and U.S. Army War College; and a BA in Philosophy from the University of Portland where he played on the Division I top 20 nationally-ranked soccer team. He also completed graduate courses in International Rural Development from the School of Oriental and African Studies (SOAS).

Susan Brown

Susan Brown is a brand and marketing executive who has worked for premier technology, consumer goods, financial services, and global health organizations at both large, complex businesses, and early stage enterprises. Susan is from Nebraska, earning her journalism degree from the University of Nebraska and spending the first decade of her career at global advertising agency J. Walter Thompson in Chicago and Madrid and Saffron Brand Consultants in Madrid and London. Susan has been a frequent guest speaker on branding, advertising, and corporate identity in the U.S., U.K., and Spain for organizations such as the National Housing Federation, Nestlé, Madrid Complutense University, and Instituto de Empresa Business School.

Returning to the U.S. in 2004, Susan served in progressive leadership roles for global asset manager Russell Investments, leading their global rebranding effort as well as the brand communications strategy during the 2008 global financial crisis. In 2012, led by a growing personal interest in global health equity, Susan served as VP of Institutional Advancement for Center for Disease Research Institute (formerly Seattle Biomedical Research Institute) leading their fundraising, communications, and federal advocacy efforts. Prior to founding Cloudbreak Communications, Susan led investor communications and marketing communications at HaloSource, Inc., a drinking water technology company headquartered in Seattle.

Melissa Fleming

Melissa Fleming joined the WFF Board in May of 2016. A lifelong Westchester, New York resident, Melissa, her husband Gregory, and their three children live in Bedford, New York. She attended the Millbrook School and Colgate University. Melissa became involved with WFF upon meeting its founder, Dr. Lewis Wall, in 2008 and learning of his desire to build Danja Fistula Center. Melissa was moved by Dr. Wall’s description of young women and girls suffering from devastating injuries suffered in childbirth and wanted to support Dr. Wall’s efforts to help transform these women’s lives into those of hope and dignity. Melissa and Greg’s advocacy and support were instrumental in raising the capital funds necessary to build Danja Fistula Center in Niger, which opened in 2012. Melissa is a past member of the Board of Directors of the Bedford Historical Society and currently serves on the Board of Directors of the Bedford Playhouse.

Lynette Franklin, MSN, APRN-BC, CWOCN-AP

Lynette Franklin, MSN, APRN-BC, CWOCN-AP, is an experienced advanced practice nurse with over 20 years of experience in medical, surgical, and educational nursing.

After graduating from Queen’s University in Kingston, ON , Canada with a BNSc., Lynette moved to Charleston SC, to start a nursing career. she became active in the wound, ostomy, and continence nursing specialty. In 2002, she received her Masters of Science in Nursing from Medical University of South Carolina She is a clinical nurse specialist in adult health care having worked and taught at Medical University of South Carolina and Emory University & Healthcare providing full scope WOC nurse care.. She enjoys speaking opportunities around the world and has been published in peer-reviewed journals and textbooks.

Quinton Friesen

Quinton Friesen retired after serving more than four decades as a healthcare executive, most recently as Executive Vice President Chief Operating Officer at Greenwich Hospital/Yale New Haven Health System.  During his tenure at Greenwich Hospital, Greenwich was awarded the prestigious Press Ganey Summit Award for five consecutive years. He also led planning, construction, and activation of a new 500,000 square feet replacement hospital.

Quinton is a Life Fellow of the American College of Healthcare Executives, a recipient of the ACHE's Regents Award, and of the Distinguished Service Award. Quinton is also a member of SIM USA and has served on international assignments in Nigeria, Niger, Dominican Republic, Kenya, Ghana and Fiji.  

Holly Levow, JD/MBA

As an attorney and businesswoman, Holly Levow started her career in Silicon Valley high-technology start-up companies performing contract law, business development, human resources, and marketing. Today, Holly is focused on creating social impact through her two social enterprises, Equitas Entertainment Partners, and Foundation (Fashion + Philanthropy). Equitas Entertainment Partners is a production company creating films in a socially responsible, intentional, and equitable way, including a mandate to provide gender pay equity. Foundation is a women’s retail boutique in Portland, Oregon, donating 100% of profits back into community nonprofit organizations. In addition, Holly is an active Partner with Social Venture Partners Portland (SVP), an engaged venture philanthropy organization focused on strengthening Portland nonprofits that are serving our most vulnerable youth. Holly also serves on the board of directors of Consano, a nonprofit, crowd-funded, medical research platform and the advisory boards of The Miller Center for Social Entrepreneurship at Santa Clara University and Five One Labs, a start-up incubator that helps refugees and conflict-affected entrepreneurs launch and grow their businesses in the Middle East.

Holly holds a BS in Mathematics, and a JD/MBA with an emphasis on High Technology and Intellectual Property Law from Santa Clara University.

Rahel Nardos, MD

Rahel Nardos, MD, was born and raised in Addis Ababa, Ethiopia. A Yale School of Medicine graduate, she completed her residency in obstetrics-gynecology at Washington University in St. Louis. Following her residency and with a Worldwide Fistula Fund grant, Dr. Nardos spent one year as staff surgeon at the Hamlin Fistula Hospital and its multiple satellite medical centers in Ethiopia. She then returned to the United States and completed her fellowship training in female pelvic medicine and reconstructive surgery, as well as her master’s degree in clinical research at Oregon Health & Science University (OHSU). Currently, Dr. Nardos is an associate professor in the division of Female Pelvic Medicine and Reconstructive Surgery at the University of Minnesota where she also serves as the Director of Global Women's Health in the UMN School of Medicine.  In collaboration with her colleagues at OHSU, Dr. Nardos founded Footsteps to Healing, a global women’s health initiative originally focused on providing surgical services to rural Ethiopian women with pelvic organ prolapse and incontinence. Under Dr. Nardos’ leadership, Footsteps at OHSU expanded its mission and joined Worldwide Fistula Fund’s broader vision in sub-Saharan Africa: increase access and capacity for expert women's health care by training local healthcare providers and leaders. Footsteps at OHSU provides expert subspecialty training to care for women with pelvic floor disorders and supports healthcare capacity projects that includes quality improvement, healthcare leadership, interprofessional team simulation training, critical care among others.  Dr. Nardos currently serves as a co-founder and vice-chair on the board of Permanente Global, a global health non-profit  in Portland, Oregon dedicated to healthcare capacity building in low resource settings.

Lynn Nye, PhD

Known in the industry for her sound strategic thinking, Lynn Nye, PhD, has directed multiple national and international promotional and educational initiatives in almost every therapeutic category. Her Medical Minds clients include diagnostics, device, and pharmaceutical companies large and small. Patient advocacy is one of Lynn’s interests. Lynn and her team have an ongoing 20-year relationship with the National Coalition for Cancer Survivorship (NCCS) with whom they were instrumental in creating the award-winning Cancer Survival Toolbox®. She has served on the Board of Directors for the National Association for Continence. Currently, she is the Deputy Director of the Healthcare Businesswomen’s Association mentoring program for the Pacific Region.

Lynn began her career in England, earning an MS in biochemistry and a PhD in immunology. After working at several of the major London teaching hospitals, she joined the diagnostics division of Corning Medical in the UK and subsequently relocated to the US, where she was promoted to Worldwide Marketing Manager. From 1996 to 2003, Lynn directed promotional and educational campaigns at BioGenesis/Torre Lazur McCann Healthcare West, where she was promoted to Executive Vice President, Managing Director, and from 2003 to 2007, she was Managing Director of Helix Medical Communications in San Diego. She founded Medical Minds in 2007.

Holly E. Richter, PhD, MD

Dr. Holly E. Richter, PhD, MD, is the J Marion Sims Professor of Obstetrics and Gynecology, Urology & Geriatrics at University of Alabama at Birmingham (UAB). She is Director of the Division of Urogynecology and Pelvic Reconstructive Surgery as well as of the Urogynecology Care and Genitorectal Disorders Clinics. Genitorectal Disorders Clinics. Dr. Richter is the American Urogynecologic Society Vice President. She is also past President of the Society of Gynecologic Surgeons.

In 2019, Dr. Richter received the Society of Gynecologic Surgeons Distinguished Surgeon Award. She was also the recipient of a mid-career award (K24-NIDDK) in patient oriented pelvic floor research and has received the CREOG national teaching award. Dr. Richter directs a research initiative through an accredited fellowship in Female Pelvic Medicine and Reconstructive Surgery. She is the ACOG representative to the Section for Enhancing Geriatric Understanding and Expertise among Surgical and Medical Specialists (SEGUE) council of the American Geriatrics Society/Hartford Foundation. She has a strong interest in treating vesicovaginal fistulas and has visited Africa regularly over the past 12 years.

Theresa “Tracy” Monaco Spitznagle, PT, DPT, MHS, WCS

Theresa “Tracy” Monaco Spitznagle, PT, DPT, MHS, WCS, is currently a Professor in the Program in Physical Therapy and Coordinator of the Post-doctoral Physical Therapy Residency in Women’s Health at Washington University in St. Louis. A graduate of Marquette University, Dr. Spitznagle next earned her Master’s Degree in Health Science and her Doctoral Degree in Physical Therapy from Washington University in St. Louis (WUSTL). In the inaugural class of board certified Women’s Health Clinical Specialists (WCS), she was recipient of the Section on Women’s Health Elizabeth Noble Award in 2011. She was also awarded the APTA Humanitarian award in 2018 and the Marquette University Alumni of the Year Award in 2019.

For the entry level doctoral program at WUSTL, Dr. Spitznagle teaches gender related health issues such as pregnancy, urinary incontinence, musculoskeletal pelvic pain, and osteoporosis. Her clinical practice also focuses on gender-related health, and she conducts research related to conditions associated with pelvic floor muscle impairments. Affiliations: Past Chair of the American Board of Physical Therapy Specialists, Member of American Physical Therapy Association and Section on Women’s Health (SOWH), Chair of SOWH Diagnosis Dialog Task Force Committee, Past Education Director of SOWH.

L. Lewis Wall, MD, DPhil

Director Emeritus

L. Lewis Wall, MD, DPhil, currently serves as a Director Emeritus after founding the Worldwide Fistula Fund in 1995. He has a long history of researching and addressing the health challenges faced by women in Africa.

Dr. Wall earned a BA in History & Anthropology and his MD at the University of Kansas. He completed his OB-GYN residency at Duke University Medical Center in North Carolina and his fellowship in female urology and urodynamics at The University of London (St. George’s Hospital) and St. Mary’s Hospital for Women and Children in Manchester, England. Dr. Wall additionally holds a master’s degree in bioethics from the Center for Human Bioethics at Monash University in Australia. A former Rhodes Scholar, Fulbright-Hayes Fellow and Fulbright Scholar, he holds a doctoral degree in social anthropology from Oxford University. He has authored or co-authored three books, 24 book chapters, and over 100 peer-reviewed scientific papers. His most recent book is Tears for My Sisters: The Tragedy of Obstetric Fistula, published by the Johns Hopkins University Press in 2018.

The National Association for Continence named Dr. Wall their national 2005 “Continence Care Champion” and the St. Louis Ethical Society named him the 2012 James F. Hornback Ethical Humanist of the Year. In 2014, he was awarded the University Gold Medal for his contributions to medical education at Mekelle University College of Health Sciences in Ethiopia. Dr. Wall was named the first holder of the Selina Okin Kim Conner Professorship in Arts and Sciences for Medical Anthropology at Washington University in St. Louis in July 2015.