ABOUT US
ABOUT US
Your journey is at the center of Excel’s commitment — and everything in our organization has has been put in place very intentionally to ensure we honor the courageousness and contribution of traveling clinicians.
Our team is diverse and includes those who have served our country, who have dedicated their professional life to improving the quality of our healthcare service, and who never shy away from adventure to serve — and we all have one thing in common… improving the journey for clinicians every single step of the way.
Meet Our Team
- and we're very much looking forward to meeting you!
Meet Our Team
- and we're very much looking forward to meeting you!

Gabe Griess
Excelerator | Founder
About Gabe
Accomplished Chief Executive; Retired Air Force C-130 Navigator (Disabled Veteran); MBA and MA in Foreign Policy; Married to his twin flame, Kristie; Three Amazing Kids – Preston 11, Mikayla 10, Harrison 7; Founder, “Navigating Leadership” Series.
Why He's excited to Help You Excel:
“I get to be part of the solution. Helping clinicians find their best fit job that allows them to share their passion for healing drives me to be better at what I do everyday.”
Best Clinician Service Trait:
“I love to solve problems and make people smile. I know I’ve given the right amount when folks start pushing back a bit.”

Kevin Sellers
Excelerator | Managing Director
About Kevin
Retired senior military officer (Disabled Veteran); 30 years of innovation results, business operations and leadership; Member of the Choctaw Tribe; Married to his beautiful wife, Angela, along with four children and 1 grandchild.
Why He's excited to Help You Excel:
“I’m looking forward to driving Excel to become the highest customer-service rated medical staffing firm in the industry because I know if we do that, the lives of clinicians and those they serve will be infinitely better."
Best Clinician Service Trait:
“Too many people listen to respond. Instead, listening to understand is where I focus my intention. It has helped me understand the challenges traveling clinicians face and, in turn, it helps me improve the experience of their journey."

Shawn Mithani
Excelerator &
Business Technology Optimization Lead
About Shawn
Graduated with Master of Science in Healthcare Informatics, The University of Alabama Birmingham; IT Electronic Health Records Consulting & Execution, Cerner, Lowell General Hospital; Business Analyst, Centene, Superior Health Plan; Enjoys playing basketball, seeking adventures and learning about new cultures.
What are you most looking forward to in 2022?
"My goals for 2022 is to get healthier in all aspects: mind, body, and soul. I will do my part to take Excel to great heights. I want to travel - take a trip every quarter and to visit Southeast Asia at the end of the year."
Why He's excited to Help You Excel:
“I am excited to learn, help facilitate growth, and be of service to those who help where I cant. While I don’t serve on the front lines of healthcare, I want to make the experience better for those that do.”
Best Clinician Service Trait:
“People tell me I’m very approachable and easy to talk to — which satisfies me because I do my best to make everyone feel very comfortable around me. In turn, trust and real communication is built and they allow me to provide the best customer service possible.”

Lorena “TJ” Tejada
Excelerator / HR Lead
About TJ
Retired Air Force Regional Affairs Strategist (Disabled Veteran); MS and MA in Education; adjunct professor; ESL instructor; distance hiker, writer and potter; proud mother to a brilliant senior regional analyst
Why She's excited to Help You Excel:
“Health workers have been on the front lines of a global pandemic at significant personal risk. They deserve our staunch support. For me, the tables have turned. Now I get to say, “thank you for your service!"”
Best Clinician Service Trait:
“Developing lasting relationships is my specialty, before and after military retirement. That involves trust, discovery, and empowerment. Travel clinicians should be in charge of where they take their next assignment...full stop. It’s my job to get them there.”

Tatiana Weems
Training Director /
Lead Excelerator
About Tatiana
Strong customer service, tech, and supervisory background; loves talking and working with people; loud, happy, and wants to find you the perfect assignment! Avid reader, competitive in very non-competitive things, and enjoys hanging out with family and friends, watching movies, and playing games. Has a brother, twin sister, and lovely parents.
Why She's excited to Help You Excel:
“I’m excited to show clinicians that this job can be done ethically, respectfully, and that we are here to guide and work with you, not to talk you into anything or low-ball you.”
Best Clinician Service Trait:
“I am REAL! The Tatiana you get on the phone and through email is the same Tatiana my friends and family get. I’m not a salesperson. I’ll work with you to locate a great assignment where you’ll feel happy and fulfilled.”