Serving a blue-chip client list with high-quality surveys

Executive Team

Stephen S. Birnkrant, J.D., LL.M.
Stephen S. Birnkrant, J.D., LL.M.

Founder, President and CEO

Stephen S. Birnkrant, J.D., LL.M., is the founder of Amplitude Research, Inc. and expert in the field of market research.

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Thomas J. Callahan, M.B.A., Ph.D. in Organizational Behavior
Thomas J. Callahan, M.B.A., Ph.D. in Organizational Behavior

Senior Consultant

Thomas J. Callahan, Ph.D., is a tenured associate professor in the College of Business at the University of Michigan-Dearborn.

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Frann L. Tillman, M.S. in Accounting
Frann L. Tillman, M.S. in Accounting

Director of Client Services

Frann L. Tillman, M.S., is Amplitude's Director of Client Services in charge of questionnaire deployment, distribution of email invitations, list management, survey administration, proxy tabulations, and all mail and online data collection activities.

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Craig Belanger, M.A. in Economics and Statistics
Craig Belanger, M.A. in Economics and Statistics

Senior Statistician

Craig Belanger, M.A., has nearly two decades of experience in all phases of quantitative marketing research and customer/employee studies, with particular emphasis on complex statistical analysis, multivariate analysis, conjoint/choice modeling, and segmentation analysis.

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Larry Strange, B.A., AICP
Larry Strange, B.A., AICP

Director of Field Research

Larry Strange, AICP, specializes in intercept surveys in general, as well as community and urban planning surveys, travel behavior surveys, and public transportation studies.

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William Balzer, B.A., AICP
William Balzer, Ph.D.

Senior Consultant, Job Satisfaction Research

William Balzer, Ph.D., is a professor of I-O psychology and dean of BGSU Firelands College. He serves as co-director of the Job Satisfaction Research Team, and has been actively involved in ongoing efforts to monitor and improve the psychometric properties of the JDI and JIG measures of job satisfaction as well as maintain updated national norms.

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Ralph Cohen, B.S., M.B.A. in Finance and Marketing
Ralph Cohen, B.S., M.B.A. in Finance and Marketing

Director of Syndicated Research, Green Technology

Ralph Cohen has over 20 years of experience in market, geopolitical and competitive intelligence. Cohen provides Amplitude's clients with research, advisory and strategic planning services in such areas as green IT, sustainability and carbon emissions management.

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Jonny Morell, Ph.D.
Jonny Morell, Ph.D.

Senior Research Consultant

Jonny Morell, Ph.D. is an organizational psychologist with long experience in survey construction, interviewing, focus groups, observational studies, and integrating data from across multiple sources. Jonny has an international reputation in the field of program evaluation and organizational change.

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Raghav Tandon, M.S. in Computer Engineering
Raghav Tandon, M.S. in Computer Engineering

Senior Developer

Raghav Tandon, M.S., has over six years of experience in survey engine installation and development, as well as real-time reporting solutions.

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Milan Nikolic, B.S. in Electrical Engineering
Milan Nikolic, B.S. in Electrical Engineering

Senior Oracle DBA

Milan Nikolic has over 11 years of IT experience in database technology; client/server and web based systems design; database integration and systems administration; software for automated systems; and systems for pattern recognition.    

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American Marketing Association

Marketing Research Association

Interactive Marketing Research Organization