Meet the Team

Since 2003, our family has grown from a team of three to a team of over 100 people! Our "cRUw" is key to our success and we truly take pride in the family we've built over the years. The Rehab United Difference Begins with Our People.

Cassaundra Olson

Director of Clinic Management

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Hometown: San Diego, CA 

Education: High School Diploma, El Capitan High School 

Sports: I love horseback riding, but enjoy watching football 

Hobbies: Photography, coloring with my daughters 

Favorite Foods: Pumpkin bread, chicken rolled tacos 

Whom You Admire / Favorite Mentor: My sister, Brittany Hollenbeck… regardless of the obstacles placed before her she always perseveres. She is determined, passionate, driven, caring with a sense of humor to boot. She’s a force to be reckoned with! 

Nickname: Cass, CPO 

Fun Fact About You: I dislike all condiments, but I have a true hatred for mayo and ranch! I married my high school sweetheart.

Biography: Cassaundra was born and raised right here in San Diego, CA, and doesn’t plan on relocating EVER! Growing up in Lakeside provided Cassaundra direct access to her life passion of riding horses. She competed in Hunter/Jumper equestrian events and continues to ride for pleasure even today.


After graduating from El Capitan High School, she obtained her real estate license becoming the third generation of realtors in her family. Cassaundra worked for CENTURY 21 Award for eight years. She wore many “hats” prior to being recruited within the company to become a Department Head of an elite team for the largest CENTURY 21 Corporation in the nation. She brings great experience in office management, customer service, event planning, human resources, and prides herself for always having a positive attitude.


Cassaundra was introduced to Rehab United through her little sister, Brittany Hollenbeck. After several years of attending volunteer events and participating in Fit Societe, Bryan and Sean recruited her as Office Manager in 2008. Through her hard work, dedication, and natural leadership, Cassaundra was promoted to Director of Clinic Management. She prides herself on her positive attitude and is honored to work with the amazing individuals at Rehab United.


When Cassaundra is not with her work family, she lives for spending time with her husband, Jeremy, their two little girls, Makenna & Jordyn, and their Great Dane, Jersey. All spare time is dedicated to creating memories and having fun as a family which includes going to parks, hitting dog beach, BBQing with friends and relaxing days at home.