Meet Our People

Guardian One is a leader in early detection techniques and scalable security solutions.

Guardian One endeavours to counter the very real and growing Active Threat phenomena which has become a prominent disruption to peaceful human existence across the globe. ​

The Partners

Larry Kohler

Mr. Kohler is the founder and President of Guardian One LLC which was created for the purpose of providing the latest developments of security and safety technologies for use by schools, churches, hospitals and businesses.

Larry Kohler

Founder and President

Tim Creviston

Tim Creviston received a B.S. degree in Electrical Engineering from North Dakota State University, and began a 35 year career in aerospace engineering working with The Boeing Company and Honeywell Aerospace.

Tim Creviston

Chief Operating Officer

Danh Truong

Demonstrated history of working in the technology industry. Skilled in Microsoft, OS X, Computer Repair, Company Launch, Business Relationship Building, and Business Growth Strategies. Strong entrepreneurship professional with strong ties to Tucson.

Danh Truong

Chief Technical Officer

Board of Directors

Steve Kohler

Mr. Kohler is president of Ridge Global and has served in the past in a number of roles for its affiliates including as Chief Innovation Officer for Ridge Global and Risk Cooperative and prior to that as Chief Executive Officer for Ridge Global Solutions and principal adviser to the strategic consulting practice.

Steve Kohler

President of Ridge Global

Dr. Wayne Porter

Wayne is the Headmaster and Superintendent of one of the original charter schools in Arizona, Tempe Preparatory Academy. He came to Arizona to work in a successful homebuilding company where he ended up running the sales and marketing divisions. Wayne later returned to school to pursue his love for education and earned both a masters and Ph.D. degree from Arizona State University in mathematics education.

Dr. Wayne Porter

Headmaster Tempe Prep Academy

Dick Foreman

President of Arizona Business and Education Coalition. Dick Foreman brings to ABEC unprecedented knowledge, expertise and credibility that he has built during his much accomplished 37-year career in public affairs and in developing public policy. He also brings to ABEC a wide array of experiences while serving on business, education, and community governing and advisory boards throughout his career. His passion, however, is and always has been public education.

Dick Foreman

President of ABEC