Meet Our Dental Staff Members

Sherri Roytan (Office Manager)

Sherri RoytanSherri has been Dr. Van Slate’s office coordinator since he started practicing in 1992.  Sherri has become highly respected in our field for her expertise in office procedures and handling dental insurance.  For over 20 years she has received regular training from the Las Vegas Dental Institute for Advanced Dental Studies.  Her advice has been sought by many office managers in the dental field.  Her expertise and talent is not only invaluable to our practice, it is also appreciated and welcomed by our patients.  Sherri is also multi-talented outside of dentistry.  She does many innovative arts and crafts and she was the lead vocalist in a country-western band for over 10 years.  Sherri is married and has twin boys.

Leta Engram (Dental Assistant-CDA,RDA)

Leta is one of the most highly trained and best dental assistants in the business.  She has over 25 years of dental assisting experience, and has been Dr. Van Slate’s assistant for over 10 years.  She received her training from Indiana University and she has the distinction of being both a Certified as well as Registered Dental Assistant.  For over 10 years, Leta has received regular training from the Las Vegas Dental Institute for Advanced Dental Studies.   Although she grew up in Indiana, she loves Houston (but she still roots for Chicago Sport’s teams).  Leta is married and has 2 boys.  Her pride and joy are her two Beagles and Terrier , The Bud Man.  Leta loves helping sheltered animals find forever homes in her spare time. 

Andrea McKinney (Scheduling Coordinator, Dental Assistant-RDA)

Adriana SalgadoWe are overjoyed to have Andrea work with us.  Our patients agree that she has a perfect fit with our office.  She has over 24 years’ experience in the dental field and brings a wealth of knowledge and expertise to our practice.  She is a Registered Dental Assistant and received her registration and majority of her training from The University of Texas Dental Branch in Houston.  Our patients continue to admire her fun personality and passion for dentistry.  Andrea grew up in Deer Park, TX and loves to spoil her two dogs and two cats.  She enjoys reading, playing the trumpet and driving her neon yellow Dodge Challenger.  

Shewit Haile (Registered Dental Hygienist, RSH)

ShewitShewit received a graduate degree in dental hygiene from Del Mar College in Corpus Christi, TX.  We have been fortunate to have had her in our dental practice since 2014.  We feel that she is one of the most diligent and highly qualified hygienists in our profession.  She received laser training from the Academy of Advanced Laser Training and has completed the Advanced Hygiene Program at The Las Vegas Dental Institute.  Shewit has an amazing life story growing up in Eritrea, South Africa.  She has lived in the United States for over 17 years now.  Shewit loves God, loves reading the Bible and attending fellowship at church. 

Locate Us

Jon Marc Van Slate DDS FAGD LVIF PC

Email Us