Our Team

Dr. Charles Handler - President/Founder - Rocket-Hire

Charles Handler, Ph.D.

President / Founder

Charles Handler, Ph.D., is the president and founder of Rocket-Hire. Throughout his career he has specialized in developing effective, legally defensible employee selection systems. He has taken what he learned while developing recruitment and selection solutions for a wide variety of organizations and combined it with his love of technology to help clients develop new models for employee selection. His philosophy focuses on combining sound science with innovation and practicality to create online hiring strategies that provide ROI and demonstrate the value of human capital. Charles has a master's degree and a Ph.D. in Industrial Psychology.

Mark Healy, MA, Vice President of Research and Development - Rocket-Hire

Mark C. Healy, M.A.

Vice President of Research and Development

Mark C. Healy has been with Rocket-Hire since 2004. Mark assists companies with vendor selection and development of assessment tools and designs hiring, leadership development, and training programs. He also assists growing firms with the development and sales strategy of testing and assessment products. An active researcher and writer, Mark teaches statistics, research methods, and general psychology at De Anza College and Palo Alto University.

John Humphries - Lead Statistician / Psychometrician - Rocket-Hire

John R. Humphries

Lead Statistician / Psychometrician

John R. Humphries, Jr., has developed his research and evaluation expertise over the course of more than 10 years of professional experience. After earning his Master’s Degree in Industrial/Organizational Psychology, John gained a broad array of experience developing and implementing research methodologies ranging from door-to-door surveys to international online surveys. Applying statistical and qualitative research methodologies to achieve reliable results is one of John’s primary professional strengths. John is well versed in transforming proprietary governmental and private industry database information into readily comprehensible knowledge that facilitates accurate decision-making. He has conducted numerous program evaluations, market research projects, public opinion research projects, and evaluations of governmental performance.

Dr. Donna Sylvan

Senior Executive Assessment and Development Consultant

Dr. Donna Sylvan has over 25 years of experience as a consultant and as a Human Resources Manager. Over her tenure, she has put a specialized focus on assisting leaders to create high performing organizations. She has designed, implemented, and facilitated assessment systems that provided developmental feedback to supervisors, managers, and other high potential employees. She has also coached executives and other leaders to improve their performance and working relationships. Her role at Rocket-Hire is within the assessment practice and she is certified in several assessment tools, including the Hogan Assessment Series.

Dr. Ron Strieker

Senior Executive Assessment and Development Consultant

Dr. Ron Strieker has been working internally and externally in executive development capacities for over 30 years. His vast expertise is within executive assessments, organizational development, learning, and coaching. He has experience working with full-scale executive assessments in companies in the automotive, manufacturing, and healthcare industries. Dr. Strieker is a part of the assessment practice team at Rocket-Hire and works to assist organizations in building strong effective teams and cultures. He is certified in a variety of assessments, including Hogan.

Robert Slabik

Associate Analyst/Project Manager

Robert Slabik has been assisting organizations in implementing assessment strategies for over 5 years. In his short tenure, he has run assessment center projects for global Fortune 500 companies in the financial, pharmaceutical, and tech industries. Through his assessment center work, he has sought to assist companies in finding the right talent for their organization, and to identify high-potential employees. As a project manager in the assessment practice at Rocket-Hire, Robert’s role is in coordinating the team to successfully tie complex projects together and see them through to completion.

Mandy Katz

Administrative Coordinator

Mandy Katz has over 10 years of experience in providing client and staff support, event planning, assessment, and training program oversight. With a history of being a primary interface between vendors and clients, she works to provide a seamless experience in coordinating full-scale projects. As a key member of the Rocket-Hire team, she has extensive experience in organizing/scheduling meetings and appointments, booking travel arrangements, submitting and reconciling expense reports, and paying vendors and contractors.