Our Founders


John Hawkins | Chief Executive Officer

John Hawkins has over 28 years of industry experience in hospital services, medical devices manufacturing, and information technology; he has served as VP of Business Development and National Director of Corporate Sales. As CEO of ZDi, he manages all aspects of business advancement and expansion. Read more...

Zach Dutton | Chief Design Officer

Zach Dutton, R.T., (R)(T), has wide-ranging clinical experience in both proton therapy and conventional radiation therapy settings. He now serves as the Chief Design Officer, bringing the entire Z-System from concept to reality. Read more...

Tim Sykes | Executive Vice President

Tim Sykes brings to ZDi extensive financial advisory and consulting knowledge. He founded his own exceptionally successful companies and was recognized as one of the ‘Top 100 Advisors’ by a national publication. Tim fulfills the role of Executive Vice President, overseeing all financial decisions and obligations. Read more...

Cheryl Turner | Chief Learning Officer

Cheryl Turner, Ed.D., R.T., (R)(T), has built her 28-year career around the profession of radiation therapy, in both the clinical setting and in the classroom.  She will merge these two passions as the Chief Learning Officer, where she will direct each element of clinical training, education, and research. Read more...