PROTON CALIBRATION TECHNOLOGIES - Key Persons


Aashish Bhatt

Job Titles:
  • Medical Advisor, Radiation Oncologist

Paul Mulqueen - CEO

Job Titles:
  • CEO
Paul is an innovative executive with extensive global medical engineering and business development experience. Throughout his career, he has successfully managed geographically distributed teams and exceeded P&L targets. As the CEO of Proton Calibration Technologies, Paul invented the enabling algorithm and obtained the seed funding to help bring proton computed tomography to the market. Prior to his work with PTC, Paul created the vision to commercialize proton ion and carbon ion cancer therapy systems at another venture firm. While there, he negotiated the agreements required to establish the worldwide network needed for a ground up approach to the design of the ion therapy product. Paul also worked with merchant banks and individual investors to raise the required funds, and developed the cost model for the development, manufacture, installation, and field service of the ion therapy system. Paul has also served as the Vice President of Design & Test Engineering at a Fortune 500 Company. During his time there, Paul established a medical engineering design center. The department had its own P&L and grew through client revenue rather than corporate investment. Project revenues ranged from $200K to $17M.

Stephen Sledge

Job Titles:
  • VP of Business Development
Stephen has over two decades of experience in the medical device industry, specifically with the commercial side in proton therapy and radiation therapy, serving in key roles with responsibilities including business development, upstream/downstream marketing and product management - including work with Siemens, Elekta, IBA, ProTom and Hitachi. Stephen brings a broad skill set of business and technical competencies as well as depth to the Proton Calibration Technologies team with his background in physics and electrical engineering.