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Tamika McDonald

Client Services

Tamika McDonald graduated from Kennesaw State University with a bachelor degree in Communication with a concentration in Media Studies. Right out of college she worked for Warner Bros. in television production. While working in the entertainment field, Tamika managed the lives of television executives, actors, comedians and busy professionals. She is currently the Director of Client Services for Sincerity Lifestyle Management.

Tamika is extremely active in the community, lending a helping hand to organizations such as Los Angeles Urban League, American Cancer Society and is currently serving as the Financial Secretary for the Orange County Chapter of Delta Sigma Theta, Sorority, Inc.

our team

Simplicity Enhanced
Armica Nabaa

Armica Nabaa is the CEO of ATB Management Group, Inc. Her unique approach allows her clients to concentrate on their respected sport and pursue excellence on and off the field.

Rob Kremer

Rob Kremer currently serves as the EVP of Client Services. He is an innovative, results-oriented marketing & communications professional with 25 years of experience.

Tomas Rubio

Tomas Rubio brings expertise in financial management and management of non-profit foundation start-ups to ATB Management Group, Inc

Eric Leon

Eric’s primary goal as sports manager is to assist clients, bridging their native language with their respective professional and personal constituents.