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Leadership Team

“Management is doing things right; Leadership is doing the right thing”

Peter Drucker


Miguel ( Mike ) Guerrero


Mike Guerrero is the founder and President of Definiti  Comp Solutions. Since 1989, Mike has worked with highly respected firms in the industry, which has provided him with a broad background to launch and lead a fast growth enterprise. Always an innovator, entrepreneur and leader, he initiated and implemented many new programs in his previous leadership positions. He sees Definiti as an enterprise that offers clients “best in class” service by managing and bringing clarity to the true cost of healthcare. Mike is a strong believer that people make all the difference in bringing “best in class” service when they are empowered to do the right thing. dgdfgfdgfdgdsdfsfsasdadsaasdadsdgdfgfdgfdgdsdfsfsasdadsaasdadsdgdfgfdgfdgdsdfsfsasda    

Amaro Ngo


With over twenty-four years of operational and account management experience in the field of Workers’ Compensation medical cost containment, Amaro Ngo brings exceptional experience and know-how to the operations of Definiti  Comp Solutions. He is a gifted communicator and a natural leader who thrives on building organizational excellence. Amaro has depth in understanding the industry and is prolific in developing people, process and systems. He has earned the respect of clients, by delivering on promises and by being honest and above board setting aggressive but realistic objectives. Amaro’s focus will be on people development, continuous process improvement, systems development and to build capacity and capability into Definiti’s infrastructure.

Alberto webite photoAlberto Rivera

Senior Vice President, Business Development

Alberto Rivera has over twenty-five years’ experience in medical cost containment and workers compensation. Alberto is responsible for all sales and business development related initiatives for Definiti Comp Solutions products and services. Prior to Definiti, Alberto held various management and sales roles for Concentra, Inc and Occupational Solutions. He has extensive experience in managing major accounts and developing new business. Alberto’s strong relationships and reputation in the industry positions him well to lead sales and anchor the business development for Definiti  Comp Solutions.


"The very first, initial impression of any company, is seen in their management staff. Management sets the values and standards upon which their company is founded, and the services provided.

Definiti ranked very high in this regard and has met and exceeded our expectations in providing consistent quality work with no "drop off" over time. The efforts of their staff to bring the best savings to our company, the timeliness of their return on bill reviews, the availability when questions arise, the willingness to go the extra mile....we have never been disappointed. Bashas is pleased to recommend Definiti to anyone."

- Barbara S., Claims Administrator, Bashas Supermarkets