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Meet The Doctors

Dr. Michaelanne E. Briggs, MD, DDS

Oral Surgeon

Dr. Michaelanne E. Briggs, MD, DDS is a native Texan, born in Austin. She received her DDS degree from the University of Texas Houston Dental Branch in 1998. Dr. Briggs completed a six-year residency program in Oral and Maxillofacial Surgery at the Texas Medical Center in conjunction with the University of Texas and Baylor College of Medicine in Houston. During this program she also earned her MD at the University of Texas Houston Medical School.

Dr. Briggs practices Oral Surgery at our Northwest Austin (Angus Road) location on Thursdays.

Dr. Molly Burton, DMD


Dr. Molly Burton, DMD joins us from Louisville, Kentucky where she completed her Bachelor's Degree in Biology at the University of Kentucky and received her Doctor of Dental Medicine (DMD) from the University of Louisville Dental School. Her goal with patients is to combine quality comprehensive dental care with a welcoming, knowledgeable and comfortable environment. She practices all aspects of dentistry and believes education, as well as prevention is especially important in her daily practice. Outside of her passion for dentistry she enjoys watching live music, being a fan of University of Kentucky basketball, teaching English as a Second Language, painting and playing piano.

Dr. Burton practices at our Southwest Austin (William Cannon Dr.) location.

Dr. J. Adam Carter, DDS


Dr. J. Adam Carter, DDS is a native Texan, born and raised in the small east Texas town of Lufkin.  Growing up in a medical family sparked his interest for helping others at a very young age.  Dr. Carter received his undergraduate degree in Biomedical Sciences from Texas A&M in College Station. His interest in dentistry began, on a 2 week medical/dental mission trip, while helping to treat the villagers of the Amazon River in Brazil. Dr. Carter attended dental school at the University of Texas, School of Dentistry at Houston where he met his wife, who is also a dentist. They are both dedicated to giving back to the community by helping those who are underserved through Mobile Loaves and Fishes here in Austin. Dr. Carter enjoys all phases of dentistry and firmly believes that having a comprehensive knowledge of modern techniques and materials is critical to providing the highest quality care.  He likes to spend extra time getting to know his patients and will work with them to find solutions that are effective, affordable and long lasting.  When not in the office, you will likely find Dr. Carter outdoors with his wife and their two dogs. He has a passion for fly fishing, cooking, music, movies and exploring all that Austin has to offer.

Dr. J. Adam Carter practices at our Round Rock location.

Dr. Howard Chapple, DDS


Dr. Howard Chapple, DDS was born and raised in Slaton, Texas. He attended Angelo State University, and entered the University of Texas Dental Branch in Houston after his junior year, earning his DDS degree in 1976. He had a private practice in Lake Jackson, Texas for 25 years before moving to Austin and rejoining Rose Dental Group in 2001. Dr. Chapple enjoys all phases of general dentistry. He and his wife, Marilyn, have a grown son, Ryan. In his spare time Dr. Chapple likes to read, play golf and is an avid sports fan, particularly enjoying baseball, football, and basketball. He also travels to his home town regularly to look after his parents.

Dr. Chapple practices at our Round Rock location.

Dr. Jenny Crow, DDS


Dr. Jenny Crow, DDS, was born and raised in Austin, TX. She attended Texas A&M University for her undergraduate, where she majored in Biomedical Science and graduated with a Bachelor of Science. While pursuing her degree, she also followed her passion of helping people with intellectual disabilities through on-campus charity organizations and individual mentoring with A&M’s chapter of Best Buddies, where she served as Buddy Director. She attended Dental School at The University of Texas School of Dentistry at the UT Health Science Center in Houston, TX. She became a dentist to fulfill her passion to help people and to be able to give them a smile that creates confidence while improving their health. She enjoys the one-on-one interaction with her patients and the chance to get to know them, and is honored to become a trusted partner in achieving goals for their health. In her spare time, she enjoys art projects, including refinishing furniture and painting, playing soccer, trail riding, cooking, exploring Austin, and playing with her niece and nephew.

Dr. Crow practices at our Northwest Austin (Angus Road) location.

Dr. Sergio Escobar, DDS

Managing Partner

Dr. Sergio Escobar, DDS was born in Colombia, South America and grew up in Chicago, Illinois. He received his Bachelors degree from the University of Colorado in Denver in 1979 and graduated from the University of Colorado School of Dentistry in 1984. He spent seven years teaching at the School of Dentistry and practicing in Colorado Springs before moving to Texas in 1991. In 1995, Dr. Escobar realized his lifetime aspiration by opening a premiere dental practice, Rose Dental Group, with his partner Dr. Sarradet. He enjoys all phases of General Dentistry, with a special interest in oral surgery and Comprehensive Dental Cosmetics. He is married to attorney Eva C. Ramos, and has four children. His hobbies include soccer, boating, and restoring vintage cars.

Dr. E. Michael Kelly, DDS


Dr. E. Michael Kelly, DDS is a native Texan, born in Houston and raised in the panhandle town of Borger. He earned his undergraduate degree from the University of Texas at Austin and acquired his D.D.S degree from the University of Texas Dental Branch at Houston. After graduation he established a private General Dentistry Practice in Dallas. Upon relocating to Austin, he joined Rose Dental Group. Dr. Kelly enjoys the many facets of General Dentistry, as well as keeping abreast of the latest advances in Dental Technology. His wife, Cynthia, is an interior designer. Dr. Kelly practices yoga and enjoys nature, reading, movie and music trivia. His free time is spent traveling the world with his wife. 

Dr. Kelly practices at ouSouthwest Austin (William Cannon Dr.) location.

Dr. Litza LeFebre, DMD


Dr. Litza Lefebre, DMD was born in Cuba and raised in Miami, Florida. She obtained her undergraduate degree in Psychology from Florida International University and her Doctor of Dental Medicine degree from Nova Southeastern University. Her favorite part of dentistry is patient interaction, as she strives to provide excellent service while making patients feel at home. Outside of dentistry, she enjoys traveling, exploring Austin with her dog Haley, cuddling on the couch with her kindle, camping, and painting with watercolor. 

Dr. Lefebre practices at ouSouthwest Austin (William Cannon Dr.) location.

Dr. Kallina Mikulencak, DDS


Dr. Kallina Mikulencak, also known as Dr. Mik, is a University of Texas graduate and devoted longhorn fan. After attending dental school at UTHSC in Houston, she returned to Austin to be close to her family and the beautiful hill country. She is a Native Texan and enjoys being outdoors and cooking new cuisines. Dr. Mik is passionate about dentistry and helping others maintain a beautiful smile. She ensures that her patients concerns regarding oral health are addressed with specific options through modern technology to provide better treatment outcomes.

Dr. Mikulencak practices at our Round Rock location.

Dr. Kenneth Rick Mueller, DDS


Dr. Kenneth R. Mueller, DDS was born and raised in Houston, Texas. He received his DDS degree from the University of Texas Health Science Center at Houston Dental Branch in 1993. He has been in practice since 1993 and has been with our group since 1998. His special interests in dentistry are basic oral surgery procedures and all restorative dentistry to include implant prosthetics, endodontics, removable prosthetics, crown and bridge work and simple restorative work. He is married to Dr. Mary E. Foxworthy, DDS. Dr. Mueller is a competitive table tennis player and is the president of the Austin Table Tennis Club. The club hosts several events for Special Olympics that helps send kids to summer camps. His other special interests are in metal and wood working, tools, and generally all things mechanical. 

Dr. Mueller practices at our North Austin (Parmer Lane) location.

Dr. R. Michael Patton, DMD

Oral Surgeon

Dr. R. Michael Patton, DMD is a native Texan from Fort Worth. He has been practicing Oral and Maxillofacial Surgery in Austin since 1983. Dr. Patton received a Bachelor of Arts degree in microbiology from the University of Texas at Austin, and a Master of Science in microbiology from the University of Kentucky. He graduated from the University of Louisville, School of Dentistry and completed his residency training in Oral Maxillofacial Surgery at the University of Texas Health Science Center Houston. Dr. Patton went on after his training to receive a Master of Business Administration with an emphasis in health care management from Texas Technological University in Lubbock, Texas. Over the years he has practiced the full scope of Oral and Maxillofacial Surgery. He now concentrates on dentoalveolar surgery, pre-prosthetic surgery including dental implants, the diagnosis and treatment of oral and maxillofacial pathology and treatment of oral and facial trauma. Dr. Patton and his wife have 2 children and two grandchildren. Dr. Patton’s outside interests include travel, music, tennis and spectator sports.

Dr. Patton practices at our Southwest Austin (William Cannon Dr.) location.

Dr. Ryan Pendleton, DDS


Dr. Ryan Pendleton, DDS, grew up in Southern California and wanted to be an orthodontist since he was 10 years old.  He completed his bachelor’s degree in Sports Medicine with high honors at Pepperdine University in Malibu, California.  He then attended the University of California, Los Angeles, for his Doctor of Dental Surgery (DDS) degree, graduating in 2004.  He then entered a residency program to earn his certificate in Orthodontics from the University of Pittsburgh School of Dental Medicine.  He has been in practice as an orthodontist since 2007.  Dr. Pendleton enjoys all aspects of orthodontics, especially getting to know each patient.  He takes great pleasure in seeing the smiles of his patient at the conclusion of the orthodontic treatment, and allowing his patients to feel they are leaving with the best smile possible.  In his free time, Dr. Pendleton spends time with his fiancé, Keri, and his two Labrador retrievers, Penny and Ruby.  He also enjoys playing the drums, disc golf, tennis, seeing live music, and watching NFL football.

Dr. Pendleton practices at our Southwest Austin (William Cannon Dr.) location.

Dr. Bethany Petersen, DDS


Dr. Bethany Petersen, DDS is originally from Bozeman, Montana. She attended Montana State University in Bozeman where she received her undergraduate degree in Biomedical Science. Dr. Petersen then moved to Texas to complete her Doctorate in Dental Surgery at the University of Texas Health Science in Houston.  Dr. Petersen is currently an active member of the American Dental Association, Texas Dental Association and the Academy of General Dentistry. She volunteers her time as a board member for Capital Area Dental Foundation Gala. Dr. Petersen also offers her expertise for benevolence and dental/medical missions through various foundations in Austin and outside of the country.  Dr. Petersen loves being a dentist because it gives her the opportunity to work closely with people. She enjoys getting to know her patients and learning about their lives while she helps them to achieve their perfect smile! When Dr. Petersen is not practicing dentistry she prefers staying active by exercising, spending time outdoors, cooking (and eating!!), camping and playing with her bulldog (Lilly) and lab (Maggie).

Dr. Petersen practices at our Southwest Austin (William Cannon Dr.) location.

Dr. John Potter, DMD


Dr. John Potter, DMD was born in Georgia and grew up in a small town in east Texas.  After graduating from Edgewood High School, he attended Purdue University and received his Bachelors of Science degree in Biology.  Dr. Potter then attended the University Of Pennsylvania School Of Dental Medicine. Dr. Potter served an externship at the VA Hospital for Oral Surgery and also in London in Oral Pathology. Comprehensive dental care is a passion of his, and he particularly enjoys cosmetic dentistry. Dr. Potter strongly believes in giving to the community in any way he can; from volunteering as a student in a crisis center to more recently supplying free dental care to those with limited access he truly enjoys giving his time.   For fun and relaxation, Dr. Potter is an avid reader, enjoys traveling and playing guitar in his band.  

Dr. Potter practices at our Northwest Austin (Angus Road) location.

Dr. Kathy Raesz, DDS


Dr. Kathy Raesz, DDS grew up in San Antonio, Texas. She attended the University of Texas at Austin, and then went on to graduate from Dental School at the University of Texas Health Science Center at San Antonio in 1979. After graduation she began practicing general dentistry in Elgin and Austin. She enjoys all phases of General Dentistry, especially removable prosthetic dentistry (making replacement teeth or false teeth). She has two sons, and enjoys skiing, swimming, camping, hiking, canoeing, scuba diving, and spectating sports. Dr. Raesz also spends her free time volunteering for Meals on Wheels, her Church, and at cycling fundraiser events in the are.

Dr. Raesz practices at our Round Rock location.

Dr. Nitin Raju, DDS, MD

Oral Surgeon

Dr. Nitin Raju, DDS, MD was born in India but grew up in Oklahoma and Saudi Arabia. He completed his degree in Electrical Engineering at the University of Wisconsin – Madison and obtained his Doctorate in Dental Surgery at the University of Michigan. Following dental school, he completed a six year residency in oral and maxillofacial surgery at the University of Texas Health Science Center – San Antonio. During his residency, he received a medical degree. In his time away from work he enjoys backpacking, bicycling, photography and pizza.

Dr. Raju practices Oral Surgery at our Round Rock location on Saturdays, but on the 2nd Saturday of the month he practices Oral Surgery at our North Austin (Parmer Lane) location. 

Dr. Rollin Sarradet, DDS

Managing Partner

Dr. Rollin Sarradet, DDS was born and raised in Fort Worth, Texas. He received a Bachelor’s degree from the University of Texas at Austin and received his DDS degree from the University of Texas Health Science Center in San Antonio in 1992. After graduation, he returned to Austin to practice general dentistry. In 1995, with the help of his business partner, Dr. Sergio Escobar, he opened the first of three Rose Dental Group offices. He is married and has a son and a daughter. In his spare time he enjoys spending time with his family and pursuing his lifelong hobby of fishing.

Dr. Travis Shelton, DDS


Dr. Travis Shelton, DDS was born and raised in Goldthwaite, Texas. He attended Angelo State University from 1989 to 1992 and graduated from the University of Texas Dental School in San Antonio in 1996. He then moved to Austin and has been practicing General Dentistry with Rose Dental since October 1999. He enjoys all phases of general dentistry with focus on comprehensive dental care, preventative and conservative dentistry. His favorite hobbies are hunting, fishing, camping, motor sports, and classic cars. He also loves family time with his wife, Carol, and three daughters.

Dr. Travis Shelton practices at our Northwest Austin (Angus Road) location.

Dr. Jeffrey Tjan, DDS


Dr. Jeffrey Tjan, DDS was born Cleveland but was raised in Indiana.  He decided to become a dentist because his childhood dentist made an early impact on his life, and later served as his mentor and helped foster an interest in providing lifetime dental care to patients.  Dr. Tjan completed his undergraduate degree at Indiana University, where he also received his DDS degree.  After completing dental school, Dr. Tjan decided to move to Austin to escape the midwest winters and to be a little closer to his family.  Dr.Tjan 's hobbies include traveling, exercising, building computers, working on his golf game, exploring the many food options in Austin, and cheering on Cleveland sports teams.  

Dr. Tjan practices at our North Austin (Parmer Lane) location.

Dr. Aleka Zimmer, DDS


Dr. Aleka Zimmer, DMD completed her undergraduate studies from the University of Texas at Austin. She earned her DDS degree from University of Texas Health Science Center at San Antonio (UTHSCSA) Dental School. Dr. Zimmer became a dentist because she wanted to make an impact on her community.  Her favorite part of her job is being able to communicate with her patients and change the way they view dentists. In her free time, Dr. Zimmer enjoys running, exercising, watching Netflix, and playing with her dogs.

Dr. Aleka Zimmer will start practicing at our Round Rock location on May 14, 2018.

You may request an appointment online, via live chat, by calling us, or by email.

We have four convenient locations to serve you!

11615 Angus Rd., #110, Austin, TX 78759
P: 512-795-9643 • F: 512-795-9959

6211 W. William Cannon Dr., Austin, TX 78749
P: 512-288-4447 • F: 512-288-4774

893 N. IH-35, #200, Round Rock, TX 78664
P: 512-310-9374 • F: 512-244-3954

1450 W. Parmer Ln., Austin, TX 78727
P: 512-251-6125 • F: 512-251-6126


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