Justin Thompson

Proprietor Chef

Justin Thompson is the Proprietor Chef of the Justin Thompson Restaurant Group and Author of Trial & Error: Recipes and Lessons Learned by a Chef & Restaurateur.

Throughout his career, Justin has been named best chef in Tulsa by Oklahoma Magazine, Tulsa Voice, Tulsa People Magazine, & Urban Tulsa Magazine. He has received numerous awards and recognition from the Chaine des Rotisseurs, has been featured in Saveur Magazine and served as guest chef at the James Beard House in New York City.

Justin is also involved in numerous charities in Tulsa, and currently serves on the Board of Directors for the Child Abuse Network, and as Co-Chair of their Donor Relations Committee. Justin and his restaurant group have contributed to over one hundred different charities in Tulsa since 2011, including the United Way, Cystic Fibrosis Foundation, Alzheimer’s Association, Cancer Treatment Centers of America, Youth Services of Tulsa, Family & Children’s Services, Iron Gate Ministries, Catholic Charities, Philbrook Museum, Tulsa Ballet and many more.

Amber Acosta

CATERING Director

Amber Acosta’s loves serving others as JTR Group’s catering coordinator. As a mother of five amazing children, she understands the importance of nurturing relationships and creating memorable moments. Her dedication to her family is a testament to her caring nature, and she brings this same level of commitment to her work.

She delights in receiving glowing reviews that refer us to other amazing clients, knowing that her efforts have made a positive impact. Her commitment to delivering outstanding service and her genuine desire to make each event a success are the driving forces behind her work.

When Amber isn't busy coordinating events, she cherishes the time spent with her family. Soccer holds a special place in Amber's heart. Her husband's involvement as a referee and her children's participation in college soccer have deepened her love for the sport. She appreciates the teamwork, dedication, and camaraderie that soccer fosters and enthusiastically supports her family's passion for the game.

Sierra Thompson

CATERING LEAD

Known affectionately as "Sis" by her friends and colleagues, Sierra's warm and welcoming demeanor sets the stage for a truly memorable experience.

Born and raised in Tulsa, Sierra has always had a deep connection to her community. With over a year of experience in the hospitality industry, Sierra joined our team in March and has quickly become an essential part of our catering staff. Her genuine enthusiasm for helping others and her commitment to delivering exceptional service shine through in every event.

She finds immense joy in assisting clients in transforming their events into their dream day. Whether it's a wedding, a corporate gathering, or a milestone celebration, Sierra's meticulous attention to detail and creativity ensure that every aspect of the event is tailored to perfection.

Marah Ranger

Catering Event Specialist

Marah Ranger has been a part of the group since November 2022, and quickly blossomed in her role. Marah likes to be hospitable, and has been serving since she was little. When she was a child, she would offer to refill drinks at family gatherings in order to receive tips. She is originally from Kansas, but has been living in Tulsa on and off for the last 10 years. “Go Chiefs!”

Outside of the office, Marah’s hobbies include spending time with her boyfriend, as well as her two cats, Donna and Rocklie. She enjoys photography, drawing, and making jewelry. She used to be a gymnastics coach, and can still do a back handspring.

David Helmick

Chef De Cuisine

David Helmick has worked for our group for 16 years, and has been cooking for over 20 years. His kitchen philosophy is to make delicious food, simple. David says there are three kitchen tools he can’t live without: his knife, a timer, and his wife Nona.

His favorite part of his job is seeing people’s faces once they try his food. Their reactions keep him going.

When David isn’t crafting amazing dishes, he likes to take his grandkids fishing or camping, as well as spend time at home with Nona with their 3 dogs and 2 cats.

Nikki Cagle

CATERING SOUS CHEF

Nikki's journey in the culinary world began in 2016 when she joined the Justin Thompson Restaurant group. Since then, she has been an integral part of our kitchens. Her dedication to her craft and commitment to continuous improvement have earned her the respect and admiration of her colleagues.

For Nikki, the kitchen is more than just a workplace—it is her sanctuary. Amidst the fast-paced environment and demanding nature of the culinary industry, she finds solace and fulfillment in the art of cooking. As a natural team player, Nikki thrives in an environment where collaboration and innovation are encouraged. She relishes the opportunity to work alongside a dynamic team that shares her passion for pushing boundaries and stepping out of their comfort zones.

Ronald Harrison

Catering Cook

Ronald Harrison has been working with us since November 2022, and has been a cook on and off since 1996. He discovered cooking was one of his passions after he noticed how many compliments he was getting from friends and family about his dishes.

His favorite thing to do in the kitchen is smoke meats. Brisket, ribs, chicken, meatloaf - you name it, he’d like to smoke it!

When he isn’t in the kitchen, you may find him rooting for Dallas and OU, or spending time with his grandson.