About ADHA

Officers & Bios

President 2016-2017


Betty Kabel, RDH, BS, of Fort Walton Beach, Fla., is the 2016-2017 President of the American Dental Hygienists’ Association (ADHA).

A member of the ADHA since 1992, Kabel has served in leadership positions at the local, state and national levels. She was the original founder of her local component, the Emerald Coast DHA, in 1998. In 1997-1998, Kabel was named president of the Florida Dental Hygiene Association (FDHA), and she served as the organization’s legislative chair from 1998 to 2012. Kabel served as District IV trustee from 2012 to 2014, and has been a member of the ADHA Executive Committee since 2013. She also served as the board advisor to the Council on Education from 2012 to 2014.

Kabel attended Florida’s Pensacola Junior College, earning her Associate of Science degree in dental hygiene in 1987. She then graduated with honors in 1993 from the University of West Florida with a Bachelor of Science degree in program development.

Currently, Kabel manages a dental outreach program for a federally qualified health center in Florida, a center where she developed and implemented a school-based prevention program that provides preventive services and dental outreach to elementary school children. Previously, she was an adjunct faculty member at Pensacola Junior College and professional educator with Philips Oral Healthcare. She has been honored several times for her effort to improve oral and overall health, including the FDHA Distinguished Service Award in 2013, as well as the ADHA Discus Dental Distinguished Service Award in 2007.

President-Elect 2016-2017


Tammy Filipiak, RDH, MS, of Mosinee, Wis., is the 2016-2017 President-Elect of the American Dental Hygienists’ Association (ADHA).

A member of the ADHA since 1986, Filipiak has served the organization in a wide range of areas, including council member and chair, as a member of the task force that developed the Standards for Clinical Dental Hygiene Practice and as District VII trustee. She also has held a number of leadership positions within the Wisconsin Dental Hygienists’ Association, including a term as the organization’s president. She also has been recognized for her leadership with numerous awards, including a presidential citation from the ADHA in recognition of her leadership and vision. She also was awarded the 2003 Butler/RDH Health Gums Healthy Life Award of Distinction, and in 2012 was recognized as one of “Six Dental Hygienists You Should Know” by Dimensions of Dental Hygiene.

A dental hygienist with 30 years of experience in clinical, educational and management settings, Filipiak joined Midwest Dental Support Center in 2004 as its director of dental hygiene; was promoted to the director of clinical development in 2010; and in 2015 was named the company’s vice president of clinical development, in addition to serving as its compliance officer. She earned her dental hygiene degree from Northcentral Technical College, her Bachelor of Science degree in business from Upper Iowa University and her Master of Science degree in organizational leadership and quality from Marian University. Filipiak and her husband have two children, and she enjoys outdoor activities, including biking, running and golf.

Vice President 2016-2017


Michele Braerman, RDH BSDH of Fallston Maryland is the 2016-2017 Vice President of the American Dental Hygienists Association (ADHA).

A member of ADHA since her graduation in 1992, Braerman has served the Association in a wide range of positions. Including most recently as District III Trustee, a member of the Executive and Finance committee, a Board Coach, chair of Council on Public Relations, a MDHA delegate, and reference committee chair. She also served her constituent and component in numerous leadership roles to include: Secretary, Vice President and President. MDHA honored her with the Symbol of Excellence Award in 2009.

Braerman holds a BS degree in Dental Hygiene from the University of Maryland School of Dentistry in Baltimore, Maryland. She currently works as a clinician in a private practice and as clinical faculty at the Community College of Baltimore County.

Michele will celebrate 30 years of marriage this year and has 2 grown children. She is passionate about family time, traveling, her sports teams and photography.

Treasurer 2016-2017


Donnella Miller, RDH, BS, MPS, of Clarksville, Tenn., is the 2016-2017 Treasurer of the American Dental Hygienists’ Association (ADHA).

For the past three years, Miller has served as the District VI Trustee, a member of the Finance Committee, chair of the Committee on Student Relations and board advisor to the Committee on Annual Session. Prior to leadership at the national level, she served the Tennessee Dental Hygienists’ Association as president, speaker of the house, vice-president and as an ADHA delegate.

Miller graduated from the University of Kentucky/Hopkinsville Community College in 1993 with an Associate of Science degree in dental hygiene. In 2007, she received a Bachelor of Science from East Tennessee State University, and in 2014 she received a master’s degree from Austin Peay State University in professional studies with an emphasis in strategic planning and leadership.

Miller is a clinical dental hygienist at Interfaith Dental Clinic, Nashville’s only comprehensive care clinic for the working poor. She previously worked in several private practices throughout the middle Tennessee area.

She is the recipient of the 2011 Tennessee Outstanding Dental Hygienist Award.

Immediate Past President 2016-2017


Jill Rethman, RDH, BA, of Prescott, Ariz., is the 2016-2017 Immediate Past President of the American Dental Hygienists’ Association (ADHA).

Rethman has more than 35 years of experience in the dental hygiene profession, and has been active at numerous levels in the organization. The former president and current immediate past president of the Hawaii Dental Hygienists’ Association (HDHA), she also served for two years as the HDHA’s Regulations and Practice chair, and was named that organization’s most outstanding member in 2002.

In addition to her work as editor in chief for Dimensions of Dental Hygiene, Rethman has written articles for numerous publications, has co-authored a chapter for three different textbooks and is presently writing a text on preventive oral health strategies throughout life. She has presented programs throughout North America, Europe and Japan, and serves as a visiting clinical instructor at the University of Pittsburgh, School of Dental Medicine, Department of Dental Hygiene; and as an adjunct professor at The Ohio State University School of Dental Hygiene.

A graduate of The Ohio State University, Rethman was named the OSU Outstanding Dental Hygiene Alumnus for 2004. She has been the recipient of numerous other awards, including a special citation in 2005 from the American Academy of Periodontology (AAP) for her efforts in organizing the AAP’s Annual Dental Hygiene Symposium, and most recently, the 2014 Johnson & Johnson/ADHA Award for Excellence in Dental Hygiene.

Speaker of the House 2016-2017


Carolyn Roberton, BSDH, RDH, of Auburn, Wash., is the 2016-2017 Speaker of the House of Delegates (HOD) for the American Dental Hygienists’ Association (ADHA).

Roberton has served in a variety of positions with the ADHA, including service as a delegate, Reference Committee member, alternate delegate, Institute for Oral Health liaison, judge of both graduate research posters and undergraduate table clinics, District XII student advisor, and student chapter advisor. She also has served as president, speaker of the house and parliamentarian of the Washington State Dental Hygienists’ Association, as well as president of the Tri-County Dental Hygienists’ Society, and editor and treasurer of the Mt. Rainier Dental Hygienists’ Society.

She received her AS in dental assisting degree in 1976 and her bachelor of science in dental hygiene in 1978 from the Loma Linda University School of Dentistry in Loma Linda, Calif.

A full professor in the dental hygiene program at Pierce College in Lakewood, Wash., Roberton teaches dental imaging, general and oral pathology, pharmacology, dental hygiene practice, and local anesthesia. She previously worked as an oral surgery assistant, expanded functions dental hygienist for the Palm Desert Dental Group and the Veterans Administration, expert examiner for the California Board of Dental Examiners, account manager for Procter & Gamble Pharmaceuticals and as an examiner/interviewer for the University of Washington Oral/Facial Pain Research Group.


If you have questions, comments or compliments that you would like to share with the ADHA’s senior leaders, please send your thoughts to askADHA@adha.net. Answers to submitted questions will be handled on an individual basis.