Business entrepreneur and 4sphere’s CEO, Gary Fleishman handles all business decisions. Gary has served as the Senior Vice-President and Regional Manager for the world’s largest real estate company, Coldwell Banker. He is a well established business guru that has developed real estate offices into number one producers. Gary is a self-made success as a real estate office manager as well as business course designer and motivational speaker.

Founder/inventor of the 4sphere Turbine, David created most efficient and cost effective turbine in the entire energy industry. In 1989 David started a capital funding firm with 3 people under him. Within 5 years he grew the company into a multi-million dollar enterprise employing over 145 people. His background is in computer graphics and mechanical engineering. He turned his next company Provantage into a multi-million dollar behemoth.

World renowned trainer/coach, Gavin's expertise lies in the motor control, physiology, psychology, nutrition, anthropometry, kinanthropometry, performance analysis, proprioception, ballistic movements, and nervous system training for the human body. As owner of the Sports Science Lab, Gavin has taken a novel concept and transformed that into a thriving business. He has expanded the company into three successful complexes throughout California.

Zack brings a ‘jack of all trades’ strength to 4sphere. After a 10 year career being ranked among the best tennis players in the world, Zack turned Z Management into one of the most successful tennis businesses in Southern California. As an athlete, inventor, producer, business owner and manager, Zack brings valuable experience to 4sphere. Zack has many international contacts in government, politics, and business from his extensive travels.