Meet The Team

Holly Michael, DDS

Dr. Michael grew up in Sugar Land, TX. She completed her undergraduate education at The University of St. Thomas in Houston, graduating with the highest distinction. She earned her Doctorate of Dental Surgery at the University of Texas School of Dentistry at Houston. She is passionate about dentistry and providing the highest quality of care for each patient. Dr. Michael resides in West Houston with her husband, Andrew and their daughters, Christiana and Isabella. During her free time she enjoys spending time with her family and friends, cooking, and traveling.

Staci Armand, DDS

Dr. Staci Armand earned her Bachelor of Science in Biology from Texas A&M University in 2006 and went on to study at Texas A&M University Health Science System Baylor College of Dentistry in Dallas, TX, where she earned her Doctor of Dental Surgery degree in 2010. After graduation, she moved back to Houston to start her career in practicing general dentistry. Dr. Armand takes pride in providing thorough care for her patients, realizing that each patient’s needs are different. She makes every effort to take the time to listen to those needs in order to individualize care for each patient. Dr. Armand stays active in organized dentistry and ongoing education as a member of the American Dental Association, Texas Dental Association, Greater Houston Dental Society and of a local chapter of the Seattle Study Club. Dr. Armand and her husband reside in west Houston, where they are raising their son, Brody, born May 2015, and daughter, Hannah, born September 2017. She also loves spoiling their miniature dachshund, Petey. Outside of dentistry, she enjoys trying new recipes found on Pinterest, traveling when she can, being active in her neighborhood Mom’s Club and spending time with friends and family.

Kirstin O'leary, DDS

Dr. Kirstin O'Leary was raised in Katy and graduated from Cinco Ranch High School before attending Texas A&M University, where she graduated magna cum laude with a degree in Biomedical Science in 2007. She went on to earn her Doctor of Dental Surgery degree from Texas A&M (formerly Baylor) College of Dentistry in Dallas in 2011. Although she has been practicing dentistry in Houston since graduation, Dr. O'Leary is thankful to now be serving the Katy community where she grew up. She enjoys treating patients of all ages and aims to make each visit an enjoyable experience.

Dr. O'Leary and her husband, Daniel, live in Houston with their two children, Kate and Elliott. Outside of dentistry, she is an active member of the Junior League of Houston as well as her church’s moms group. She enjoys sewing and crafting, trips to the zoo, and spending time with family and friends.

Dr. Liji Mathew

Dr. Liji Mathew is a highly trained dentist with advanced expertise in prosthodontics and implantology. She earned her dental degrees with top honors in both India and the United States, including graduating summa cum laude from Temple University’s Kornberg School of Dentistry, where she received the Dean’s Award for exceptional clinical excellence.
Now serving the Katy and greater Houston community, Dr. Mathew is dedicated to providing high-quality, patient-centered care. She is a Clinical Assistant Professor at the University of Texas School of Dentistry and remains actively involved in continuing education, research, and community service.

Dr. Popi Stylianou, DDS, MS

Dr. Popi Stylianou, DDS, MS, is a Diplomate of the American Board of Periodontology with advanced training in periodontics, implantology, and prosthodontics. Originally from Nicosia, Cyprus, she graduated first in her class from the Aristotle University of Thessaloniki School of Dentistry in Greece and later earned her Certificate in Periodontics and Master of Science degree from the University of Minnesota. She also completed a fellowship in complex implant restorations and full-mouth rehabilitation.
Dr. Stylianou provides expert care in periodontal and implant procedures, soft tissue regeneration, and esthetic implant temporization. She is also a Clinical Associate Professor at The University of Texas Health Science Center at Houston School of Dentistry, where she has served on the Admissions Committee and supported graduate periodontics residents for the past nine years.