Janessa Bock, RDH
President
Janessa was born and raised in a small Kansas town. She graduated in 2007 from Amarillo College with an Associate of Science degree in Dental Hygiene, as well as in 2005 from Cottey College with an Associate of Science degree in Biology.
Janessa is a Past President of the Greater Houston Dental Hygienists' Association and has held many positions in her local component. Janessa is on serving her third term as an ADHA District IX Delegate. She was honored to be included in the ADHA Unleashing Your Potential class of 2017.
Janessa resides currently in Sugar Land with her husband, Nathan of 10 years and their 2 daughters, Olivia and Cora. Janessa enjoys volunteering, watching baseball, football and spending time with her family. She is a huge fan of the Kansas City Chiefs and Kansas City Royals!
Annette Smith, RDH
President Elect
Annette has been a hygienist for 24 years and is presently a full-time educator at Dallas College. She is active in her local and state ADHA component and is currently serves on the ADHA COVID-19 Return to Work Task Force. She has been a past TDHA 1st VP and a North Texas Dental Hygienist’s Association's President. Annette is passionate about advocacy and helping pass local anesthesia in Texas and has served as TDHA’s GAC Co-Chair.
Annette has attended ADHA’s Unleashing Your Potential and the American Educator’s Association 8 week LEADE program. She has been published in the Journal of Dental Hygiene and RDH magazine. She is the recipient of the 2021 Oral B Texas Educator of the Year award. Annette has been married for 24 years, has 4 children. She resides in Trophy Club, Texas, and in her free time enjoys traveling, reading, running, hiking and learning new things.
Marian Tajchman, RDH, MS
Immediate Past President
Graduated with an Associate in Applied Science degree in Dental Hygiene in 1976 from Del Mar College in Corpus Christi, Tx.; a Bachelor ‘s degree in Occupational Education in 1979 from Corpus Christi State University in Corpus Christi, Tx. and a Master’s of Science degree in Educational Technology in 2008 from Texas A&M University in Corpus Christi, Tx.
Worked as a clinical hygienist in private general practices and periodontic practices from 1976 – 2006. Adjunct Dental Hygiene instructor from 1996 – 2006 at Del Mar College, Corpus Christi, Tx. Full-time tenure track Dental Hygiene instructor from 2006 – 2019 at Del Mar College, Corpus Christi, Tx. Retired as Associate Professor of Dental Hygiene in Dec. 2019. Served from 2010- 2012 as the Texas Dental Hygiene Educators’ Association or TDHEA (now the Dental Hygiene Educators of Texas or DHET) secretary and as TDHEA president from 2012 – 2013.
Active member of ADHA and served on the TDHA Board from 2003 to present as 1st and 2nd Vice-president, President- elect, President, current Immediate Past President, and on various committees. Served as TDHA delegate to ADHA in 2018, 2019 and 2020. Also, served in all component officer positions and various committees chair and as component delegate to the TDHA board from 2003 – 2017.
I have been very active throughout the years in my former church as Director of Religious Education, Facilitator of Safe Environment Classes with the Diocese of Corpus Christi, as well as served, in various capacities in the diocese. Currently, involved in volunteering for 2nd Chance Emporium, a thrift store with monies donated to various non-profit organizations within Fayette County; a member of the Colorado Valley Quilt Guild and Sacred Heart Catholic Church in La Grange. Have also participated in various community events including dental throughout the years.
I have been married to Dan for 44 years; have two daughters, Mary Lynn and Elizabeth; a son-in-law, Matt, Mary Lynn’s husband who together have two sons, Noah and Isaac; and my only son, John. All the loves of my life! I love my faith, all things dental hygiene, gardening and historical romance novels.
Mercedes Mendoza, RDH, BA
Vice President
Mercedes graduated with her Associate’s degree in dental hygiene from Concorde Career College in 2013. She also graduated from St. Mary’s University in 2009 with a Bachelor’ in English & Communication Arts. Mercedes’ past positions for her component have included Secretary, Trustee, Probe & Explorer Editor, and IOH Bowl-A-Thon Chair.
Mercedes works full time at a community health clinic. She also moonlights an occasional Saturday in a private practice office.
She loves to travel to places she has not been before, live music, and is an avid foodie. Mercedes is a San Antonio Spurs season ticket holder, she is a die hard fan.
Cathy Nobles, RDH, OM
Treasurer
Cathy recently retired from being a clinical hygienist. She loves to work out at the gym, ride bikes on the beautiful trails in Plano and work in her native yard. Her and her husband, Dave, volunteer with Central Texas Dachshund Rescue and have just found a new furever home for their 20th foster dog. Cathy has been a member of ADHA since 1999, and feels as though it is very important to belong to your professional organization in order to keep informed what is happening with licensure in dental hygiene and have a voice for change in the public health and education of patients.
Stacy Limas, RDH
Secretary
Christina Horton, RDH, BSDH
Student Affairs Director
Christina has practiced as a dental hygienist since graduating from Tyler Junior College in 2005. The first 4 years of her career she worked solely in private practice until 2008 when she began working additionally in public health. In 2011, Christina began teaching at her alma mater as adjunct clinical faculty. In 2014 her 3 passions were incorporated into one position as the dental hygienist for the University of Texas Health Science Center at Tyler creating a program integrating oral health, medical practitioners and education. She earned a Bachelors of Science degree in Dental Hygiene from Texas Woman's University in 2015. Christina currently serves as the Chair of the East Texas component as well as the TDHA Community Chair. She has served as the SCADHA adviser for TJC since 2014. Christina has been married to her husband, Brian for 16 years and together they have a son, Lucas and a daughter, Tatum. She loves traveling, cooking, spending time at her kids' sporting events and volunteering in her community.
An Chih (Angela) Do, RDH, MEd
Speaker of the House
Angela Do graduated in 2015 from the University of Texas School of Dentistry at Houston with a Bachelor of Science in Dental Hygiene. She believes education is the core of the profession so she went on to get her Masters of Education in Curriculum and Instruction for Health Science Educators from the University of Houston in 2019. Angela is also a member of the American Academy of Dental Hygiene and the National Association of Parliamentarians. She currently practices and is the clinical operations manager at a private pediatric office. She served as secretary of the Greater Houston Dental Hygienists’ for three years and is currently President-Elect and Trustee for the component. Angela lives in Houston, TX with her husband, 20 month old son, and Stitch, her Pomeranian shadow.
Shawna Greer, RDH, BSDH
Communication Director
Shawna graduated from The University of Texas School of Dentistry at Houston in 2016, where she received her BSDH. She served as Vice President for her class her senior year as well as Vice President for Student’s with America’s Toothfairy club. She has served as served as a delegate with her component Greater Houston for the past three years and this year she has had the opportunity to serve as a District IX delegate and represent Texas at ADHA Annual Conference. Shawna is currently the President of the Greater Houston component. Shawna has been with her husband for 13 years and has two boys (21 and 19). She started playing the piano at 8 and the cello at 12. She continues to play the cello and is currently a member of the Kingwood Pops, where she also plays with her boys (who play the cello also).
LeeAnn Winkler, RDH, BSDH
Legislative Director
LeeAnn Winkler, RDH, BSDH has been a practicing clinical dental hygienist since graduating from Baylor College of Dentistry's Caruth School of Dental Hygiene where she obtained a Bachelor of Science degree in dental hygiene. LeeAnn has volunteered in many capacities in her life, including various positions in PTA, with the Mesquite Citizen's Police Academy Alumni Association, and as President of the University of North Texas Parent Association. She is currently the President of the Texas Dental Hygienists' Association and the Immediate Past President of the Dallas Dental Hygienists' Society. She has held many positions in the association including serving as an ADHA delegate. LeeAnn contributes her professional growth to the support of her peers, friends, and family. She is married to her husband, Terry, and they have one daughter Shannon. LeeAnn is an avid reader and loves to do crafts. Many of her creations have helped to raise money for TDHA, IOH, and Tex HyPAC.
Khairunisa (Nisa) Hashmani, RDH, MA
Membership Director
Nisa graduated from Texas State University in 1998 with a Bachelors in Biology, minor Chemistry. She then pursued a dental hygiene certificate from University of Texas Health Science Center Houston dental hygiene program in 2001. Completed her Masters in 2011 in Psychology from University of Houston Clear Lake and is currently enrolled in the Doctor of Education program at the University of Houston College of Education. Khairunisa has been teaching for 10 years and has experienced teaching Community Dental Health, Pharmacology, Dental Hygiene Theory, Clinical Practice, Radiology, Practice Management, Periodontology and Dental Materials. She is currently a Clinical Assistant Professor and teaches Preclinical Technique, Clinic Seminar I & II, and Clinic Practice I at the University of Texas Health Science Center School of Dentistry in Houston.
Nisa is passionate for her dental hygiene profession and has been a member of American Dental Hygienists’ Association (ADHA) since she was a dental hygiene student at UTHealth in 1999. She has served as a membership chair, Professional Education Committee chair (PEC), Programs chair and President of the Greater Houston Dental Hygienists’ Association (GHDHA). She has organized and helped with many community outreach programs throughout her career.
Nisa has volunteered at the Aga Khan University & Hospital in Nairobi, Kenya as well as in Karachi, Pakistan. She has helped with developing the dental hygiene curriculum as well as teach dental hygiene at the Aga Khan University (AKU) in Karachi, Pakistan. She believes in life-long learning, teaching by example, believes in ethical work, and tries to be a good role model for her students and her two lovely children.
Cindie Pierce, RDH
Professional Development Director
Cindie has been practicing dental hygiene for over twenty years. She has had the opportunity to work in private practice for 23 years in four offices: in McAllen, Dripping Springs, a great group practice in Austin, and Fort Worth.
Cindie has had the opportunity to serve on the state and local levels in several areas. With positions on many councils, as well as the president position, just to list a few: membership, student affairs council, annual sessions council, governmental affairs council.
An active member in her church, she enjoys reading scriptures on Sunday's, teaching children in 1st and 2nd grades, and assisting in vacation bible school. In her free time, Cindie enjoys reading, sewing, cross stitching, and spending time with my family and friends. Cindie has been married for over 28 years to Tim, a great husband who understands what it means to be involved in your profession. He supports Cindie's decisions to be active in her association. Together they have one daughter, Kaitlyn, who is in her senior year at Oklahoma State University, studying Animal Science.
Melissa Vetter, RDH
Austin
Melissa received her Associate of Applied Science in Dental Hygiene from Austin Community College in 2016. She also holds a Bachelors of Arts in English from the University of Southern California. Her passion lies in community outreach and recently started an adjunct faculty position at Austin Community College as lab faculty for their community courses. As an avid member of ADHA at both the local and state level, she hopes to provide resources for local components on how to organize community events while changing systemic issues in dental care in the US from a grassroots level. Her hobbies include playing viola in local chamber groups, walking her two dogs, knitting, attending film festivals, and playing board games with friends.
Kristi Dalton, RDH, MS
Office of Educator Liasion
Kristi is a dental hygiene educator and practicing dental hygienist. She has been in dentistry since 1995 and received her dental hygiene degree from Wharton County Junior College in 2003. After years of private practice, she returned to college and obtained a Bachelor of Science in Dental Hygiene with a minor in Business Administration from Texas Woman’s University in 2015 and a Master of Science in Health Studies in 2018.
Kristi served as a graduate assistant at Texas Woman’s University from 2015-2018 and a liaison for the dental hygiene dual enrollment program for TWU at Lone Star College 2015-2019. In addition to private practice, she currently is a clinical and didactic instructor at Lone Star College Dental Hygiene Department and has taught clinical dental hygiene since 2016 and DH Practice since 2017.
Kristi currently resides in Cypress and has two sons, Cole and Blake. She enjoys spending time with family/friends, live music, running and living a healthy lifestyle.
Jodie Hostetter, RDH
San Antonio
Kayla Golden, RDH, BSDH
East Texas
I grew up in Dayton, Tex but moved to East Texas in 2001. I graduated from Tyler Junior College in 2005 with my Associate of Applied Science in Dental Hygiene, then again in 2018 with my BSDH. I love working in clinical hygiene. I’ve been with my dentist since his day 1 in private practice. The relationships I have made with my patients over the past years is priceless! Speaking of relationships, my dentist introduced me to my husband! We have been married since 2009 & live in Elysian Fields with our 2 wonderful daughters! I can’t wait to serve East Texas as their Trustee.
Sarabeth Ballard, RDH
Fort Worth
Sarabeth Ballard, RDH is the Greater Fort Worth Trustee. This is her second year serving on the board as trustee and is currently on the Annual Session Planning committee. She has previously served as a delegate for Greater Fort Worth and has a passion for legislation and open communication with Dentists about the future of dental hygiene in Texas.
Sarabeth has been in the dental field for 14 years and lives on a ranch near Fort Worth with her husband of 11 years.
Alisha Bell, RDH, BSDH
North Texas
I am the trustee for the North Texas Dental Hygienist's Association. I have been a practicing hygienist for 13 years, and have practiced in general and pediatric dentistry. I have been an active member in our ADHA my entire career. I have held several positions in my local component from board member to President. I am thrilled to serve as our Trustee and keep my local component informed on all the important on-goings at the state level. I additionally love that being active in our organization has allowed me to meet some the best hygienists across the state that I now call friends.
Illiana Jo Farias, RDH
Rio Grande
She earned a Bachelor of Science in Dietetics from the University of Texas-Pan American in 2004. She obtained an Associate of Applied Science in Dental Hygiene from Texas State Technical College-Harlingen in 2006.
Illiana is Past President of the Rio Grande Valley Dental Hygienist Association and has held several positions in her local component. She has been a practicing clinical hygienist for fifteen years.
Illiana lives in Mission, Tx and enjoys spending time with her husband and son. She enjoys traveling,running, cooking, and staying active trying to keep that healthy lifestyle.
Layla Christensen, RDH, BSDH
Brazos Valley
Layla Christensen graduated with an Associates of Applied Dental Hygiene from Blinn College, Bryan, Texas in 2001. She has been a practicing clinical hygienist in the Brazos Valley ever since. Layla started serving as secretary of the Brazos Valley Dental Hygienists’ Association in 2018. After being inspired by dental hygiene students at her alma mater, Layla completed a Bachelor of Science in Dental Hygiene in 2019 from Texas Women’s University. She believes in life-long learning and is a member of American Academy of Dental Hygiene.
Layla lives in College Station with her husband of 20 years and their three children. She enjoys scrapbooking, travel and the connections she makes from being a dental hygienist.
An Chih (Angela) Do, RDH, MEd
Greater Houston
Angela Do graduated in 2015 from the University of Texas School of Dentistry at Houston with a Bachelor of Science in Dental Hygiene. She believes education is the core of the profession so she went on to get her Masters of Education in Curriculum and Instruction for Health Science Educators from the University of Houston in 2019. Angela is also a member of the American Academy of Dental Hygiene and the National Association of Parliamentarians. She currently practices and is the clinical operations manager at a private pediatric office. She served as secretary of the Greater Houston Dental Hygienists’ for three years and is currently President-Elect and Trustee for the component. Angela lives in Houston, TX with her husband, 20 month old son, and Stitch, her Pomeranian shadow.
Brittany Johnson, RDH, BS
Corpus Christi
Brittany Johnson, a Laredo native, earned a Bachelor of Science: Biology from Texas A&M International University in 2012. She obtained an Associate in Applied Science from Coastal Bend College, Beeville, Texas in 2016. Brittany served as, not only SCADHA student delegate, but was chosen to represent ADHA 2015 Student Delegate for District IX. Currently, in addition to her full-time dental hygiene position at Sabal Dental, Brittany is serving as Vice President of Corpus Christi Dental Hygienists Association. Brittany believes dental hygiene is a dynamic profession, which allows for life-long learning. She looks forward to working with members to grow the Dental Hygiene profession and expand scope of practice. Brittany enjoys traveling, spending time with her Mother, puppy, boyfriend and family. During her time off she enjoys working out and practicing yoga.
Kassandra Bowie
Dallas
Kassandra Bowie graduated from Tyler Junior College with an Associates of Applied Science in Dental Hygiene in 2002. She later received her Bachelor of Science in Dental Hygiene from Northern Arizona University in 2013. She has served as secretary and a delegate for the Dallas Dental Hygienists’ Association since 2018. She currently works in a private dental office in Crandall, Texas. When she is not helping people improve their smiles, she enjoys reading and spending time with her husband and three children.
Connie Groves, RDH
Bay Area
Melissa Terry, RDH
Central Texas
Melissa lives in Copperas Cove and has been a clinical dental hygienist for over fifteen years. She currently works three days a week in a general dental office and fills in as a guest hygienist at other offices several days a month. She graduated from Lamar Institute of Technology with an Associates of Applied Science in Dental Hygiene in 2005 and is currently completing the University of Texas School of Dentistry at Houston online RDH to BSDH program. Melissa has served Central Texas Dental Hygienists’ Association as component chair from July 2019 until she became Trustee in January 2020. She has been married for 23 years to her high school sweetheart, Jeremy and has three children, two boys and one girl, two dogs, and a cat. In addition to spending free time with her family, she enjoys baking, traveling, listening to podcasts.
Mandy Weems, RDH
Collin
Jessi Jost
Concho