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Meet the experienced and friendly doctors and staff who make Dr. Palys and Associates the leading provider of vision care products and services in San Antonio.

George McLean – Executive Director

George handles all of the business, managerial, and financial affairs of the Vision Source. Mr. McLean obtained his Bachelor of Science degree from Loyola College and a Masters in Health Care Administration from George Washington University. He is a retired Army Reserve Lt. Colonel with prior administrative assignments at Walter Reed Army Medical Center, Brooke Army Medical Center and Army Health Services Command. Mr. McLean is a Certified Health Care Executive in the College of Health Care Executives, Member of the Medical Group Management Association, and a Life Member of the Retired Reserve Officer’s Corps. In addition, he is the owner of the Practice’s GAMC Travel Agency based here in our Vision Source office. George is a member of the American Society of Travel Agents, IATAN, CLIA, and a Master Cruise Counselor(MCC). Ask him for a quote to Disney World, Las Vegas, Cancun, or a Carnival or Royal Caribbean cruise out of Galveston. Mr. McLean has been on 28 cruises with large ships and smaller river boat cruise ships. In late 2015, he visited Vietnam and Cambodia and in early 2017, he traveled to Iceland and saw the Northern Lights. In 2018, he traveled to Negril and Montego Bay as a Travel Agent Guest of the Jamaican Tourist Board. A Tauck trip to Mackinac Island and the Grand Hotel in Michigan was wonderful with cool temperatures while Texans had 100 degree heat. A trip to Canada with stops in Toronto, Montreal, and Quebec will close out 2018. He looks forward to a Viking Ocean Cruise to Cuba in early 2019 and a Princess Cruise to Japan and Korea in late 2019. He and his wife will have visited 82 countries after the 2019 trips.

Thomas McLean – Director of Operations/Marketing

Tom has worked at the Vision Source for many years in the optical, lab, medical records and insurance departments. He received his BSBA and MBA from the Olin School of Business at Washington University in St. Louis. He joined the Vision Source in 2003 and now manages overall day to day operations of the practice. Tom enjoys camping, hiking and sand volleyball. Tom and his wife are proud parents of Elizabeth and Mark. When he’s not playing with the kids or playing sand volleyball, he stays busy repairing and remodeling homes as a side business.

David Houl – Director of External Affairs and Communications

David was born and raised in Broomfield, Colorado. He graduated from the University of Colorado at Denver with a Bachelor of Science in Biology. He has been in the optometric field for over nine years. David brings valuable experience in development and training team members, cutting and surfacing lenses, optometric technician, insurance billing and coding to the Vision Source. During his free time, he enjoys fitness, cooking healthy meals, vlogging, traveling, and snowboarding while on vacation in the Rockies.

Adrian Garza – Administrative Supervisor

Adrian was born and raised in San Antonio and graduated from Holy Cross HS in 2007. He has been in the optometric field for over five years and with our office since September 2014. He enjoys the high tech equipment in the office and likes working with young and old patients while helping them with their optometric needs. He spends his free time with partner and his daughters checking out new restaurants and spending time at theme parks in South Texas.

Angie Arriaga – Administrative Assistant

Angie grew up in San Antonio and graduated from Holmes High School. She joined the Vision Source Front desk in July 2013. She enjoys helping our Vision Source patients with their appointment scheduling, helping them understand their insurance benefits, coordinating pre and post operative care, and making the checking in and out process a lot easier. In addition, she calls contact lens and optical patients to inform them that their materials are ready for pickup. During her free time, she spends quality time with her two teenagers, enjoys fitness, hip hop, and her puppies Daisy and Maria!


Olivia Ibarra – Administrative Assistant

Olivia was born and raised here in San Antonio and graduated from Holy Cross High School. She is working part time at the Vision Source while pursuing a degree in Clinical Laboratory Sciences at Alamo College. During her free time, she likes to hangout with friends and family by the pool. She loves playing and watching all sports and looks forward to a championship year for her San Antonio Spurs. Catch her on weekends at the Coast fishing or hunting for Texas’s wild game. Country western dancing is a way of life for this dancing machine!

Olivia Davis – Senior Insurance and Verification Specialist

Olivia returned to the Vision Source after an absence of seven years. She has been a valuable team member for 16 years and ensures that patients health care benefits are authorized and fully utilized at the Vision Source. She helps the patient understand vision coverage and how this differs from their medical insurance. When not working, she enjoys spending time with her family and physical fitness.

Sharon Rivera – Junior Insurance Verification Specialist and Senior Frame Stylist

Sharon is a ten year veteran of the Vision Source. She started her Optometric career in the Optical Department assisting patients with eye wear selection and prescription knowledge as well as merchandising and inventory control. She transferred into the Insurance Department in 2014 as an Insurance Specialist. She verifies benefits coverage and posts patient insurance while assisting with patient insurance questions and benefits. Sharon’s personal interests include: artistic and creative endeavors such as drawing, painting, crafting and sewing. She is often responsible for the theming and decor of the office during the holidays and special events. Travel is another passion and Universal, Orlando is a destination mainstay, however London is her ultimate future goal.

Brenda Alanis – Senior Optometric Technician and Department Head

Brenda is the Senior Optometric Technician here at the Vision Source and has been with the practice since 2001. She performs preliminary testing and contact lens instruction and dispensing for our patients and teaching and mentoring new technicians that join the practice. She feels that Vision Source is part of her family. Brenda loves working with people and can not imagine anything more rewarding than helping people to see their best! She enjoys spending time relaxing with her family and especially with her only niece and all her nephews. She loves to shop and watching movies with her family and friends.

Heather Ramos – Optometric Technician

Heather has been an Optometric Technician for the last two years. She was born and raised here in San Antonio Texas and is a Holmes High School graduate. She is currently studying to get her certification as an paraoptometric technician. In her free time, she loves spending time with her daughter, and enjoys hanging out by the pool and watching movies. She and her family just returned from a wonderful California and Disneyland vacation.

Indira Guevara – Optometric Technician

Indira has been with the Vision Source since March 2016. She started as an Administrative Assistant at the Front Desk and now is an Optometric Technician. She is cross trained to handle both positions. During her free time, she enjoys spending time with her three boys and traveling. She loves any kind of food and watching movies at home with her family.

Gustavo Solis – Optical Manager

Gus is from Brownsville, TX and has been living in San Antonio since 2010. He is married to his best friend who met while working at Walmart and they have 2 beautiful children. Gus has been in the optical industry since 2001. Gus joined the Vision Source family in January 2017. Gus brings a vast knowledge of frame styling and lens options. When Gus is not working he enjoys spending time with his family traveling to different lakes and rivers around the San Antonio and Hill country area. Gus’s passion is tennis. He captains the Oak Hills tennis team, which is headed to state competition in August.

Sondra Walters – Assistant Optical Manager

Sondra was born and raised in San Antonio and graduated Cum Laude from Robert E. Lee High School in 2007. She also graduated from San Antonio College with an Associates Degree in Liberal Arts. She has been an Optician with the Vision Source for the past nine years and enjoys helping patients with their eye wear selection. She likes going to the movies and her new hobby is building Lego models. The last one was Disney’s Lego Castle with over 4,000 pieces. Sondra loves to travel and looks forward to planning the next family vacation to Disney World.

Monica Garcia – Optician and Senior Frame Stylist

Monica returned to the Vision Source after five years in Wisconsin with her family. She and her family endured the cold and snow up North and missed our mild winters along with our San Antonio Spurs and Dallas Cowboys. She is excited about the upcoming Dallas Cowboy season and looks forward to the start of a news season. Monica grew up in San Antonio and graduated from Northwest Christian Academy. She has been in the optical field for over 20 years and enjoys helping patients with their frame and lens selection while getting the most value with their insurance plan. She often competes in friendly family baseball, basketball, movies, and board games during her free time.

Adrian Hernandez – Optician and Frame Stylist

Adrian is a San Antonio native and graduated from Texas State University in 2011. He enjoys traveling, music, and photography. Adrian is on top of the latest fashions from Tom Ford to Roberto Cavalli. Come see him today and let him fit you in the latest fashion eye wear.

Alicia Navarrete – Laboratory Assistant

I’m a proud mother of two wonderful teenagers. They are my life! I have been married for 8 magical years. I have been part of Vision Source for a short time and they have made me feel like family. I have a degree in Digital Media Designing. I have a passion for photography and traveling. In my spare time I enjoying watching movies and wine tasting in the Texas Hill country.