John P. Caloyeras

Assistant Policy Researcher; Ph.D. Candidate, Pardee RAND Graduate School
Santa Monica Office


M.Phil. (Ph.D. candidate) in policy analysis, Pardee RAND Graduate School; B.A. in biology, Carleton College


John Caloyeras is an assistant policy researcher at the RAND Corporation and a doctoral fellow at the Pardee RAND Graduate School.

Before coming to RAND, Caloyeras was a project manager and health economist at Abt Associates, Inc. His work ranged from developing cost-effectiveness and pricing models for drugs and devices to conducting retrospective database analyses and literature reviews. At RAND, Caloyeras has worked primarily with RAND Health. His project experience includes evaluating the impact of employer wellness programs, estimating the value of healthcare interventions, and developing a physician survey to evaluate the appropriateness of care delivered in the United States.

Caloyeras plans for his dissertation to focus on health care value and conflicts of interest in medicine. He holds a B.A. in biology from Carleton College, and a M.Phil. in policy analysis from the Pardee RAND Graduate School.

Selected Publications

Gidengil C, Caloyeras J, Hanson M, Hillestad R, Mattke S., "Comparative effectiveness of fidaxomicin for Clostridium difficile infection.," American Journal of Pharmacy Benefits. (forthcoming)

Caloyeras JP, Liu H, Exum E, Broderick M, Mattke S., "Managing manifest diseases, but not health risks, saved PepsiCo money over seven years.," Health Affairs, 33(1):124-131, 2014

Friedberg MW, Chen PG, Van Busum KR, Aunon FM, Pham C, Caloyeras JP, Mattke S, Pitchforth E, Quigley DD, Brook RH, Crosson FJ, Tutty M., Factors affecting physician professional satisfaction and their implications for patient care, health systems, and health policy., RAND Corporation (RR-439-AMA), 2013

Mattke S, Liu H, Caloyeras JP, Huang CY, Van Busum KR, Khodyakov D, Shier V., Workplace wellness programs study., RAND Corporation (RR-254-DOL), 2013

Caloyeras JP, Zhang B, Wang C, Eriksson M, Fredrikson S, Beckmann K, Knappertz V, Pohl C, Hartung HP, Shah D, Sandbrink R, Lanius V, Gondek K, Russell MW, "Cost-effectiveness analysis of interferon beta-1b for the treatment of patients with a first clinical event suggestive of multiple sclerosis.," Clinical Therapeutics, 34(5):1132-1144, 2012

Foster TS, Miller JD, Marton JP, Caloyeras JP, Russell MW, Menzin J., "Assessment of the Economic Burden of COPD in the US: A Review and Synthesis.," COPD, 3(4):211-218, 2006

Fraenkel M, Caloyeras J, Ren S-G, Melmed S., "Sex-steroid milieu determines diabetes rescue in pttg-null mice.," J Endocrinol, 189(3):519-528, 2006