Leslie B. Hammer, PhD

  • Professor, Oregon Institute of Occupational Health Sciences
  • Co-Director, Oregon Healthy Workforce Center, Oregon Institute of Occupational Health Sciences


Dr. Hammer has expertise in Occupational Health Psychology and specializes in the health effects of supportive supervision at work, and on the health consequences of work-family conflict. She has extensive experience in designing, implementing, and evaluating worksite interventions and supervisor training. Her research focuses on ways in which organizations can help reduce work and family stress and improve positive spillover by facilitating both formal and informal workplace supports.

Dr. Hammer is also the Co-Director of the Oregon Healthy Workforce Center, one of six Total Worker Health® centers of excellence funded by the National Institute for Occupational Safety and Health.  She was the Principal Investigator of the Phase I and Phase II Work, Family & Health Network (WFHN) Portland State University projects involving developing and evaluating a work-family intervention, namely Family Supportive Supervisor Behavior Training.


See Dr. Hammer's OHSU research lab here

Oregon MESH (Military Employee Sleep and Health) Study

The Oregon MESH Study is another Department of Defense funded intervention study which will tackle the issue of sleep related health concerns that are increasingly the focus of research in the military domain. The adverse effects of sleep deprivation are known to cause a variety of negative health and family issues. This study will test the effects of an intervention designed to improve the sleep of full time National Guard members. 

SERVe (Study for Employment Retention of Veterans)

SERVe is a Department of Defense funded intervention study aimed at improving the health and well-being of service members and their families by targeting the workplace experiences of Veterans and Service Members who are members of the civilian workforce. Conducted as a randomized control trial, SERVe is an ongoing investigation into the effects of an intervention which combines training and behavior tracking to improve the knowledge and skills of supervisors with service members in their employ in order to foster a supportive workplace environment. Read more about the SERVe program here

Behavioral Health & Resilience Training for Military Leaders

Funded by the Department of Defense, this study will evaluate the effectiveness of our Readiness Supportive Training for Leaders (RESULT) with active duty U.S. Army soldiers. We anticipate that the training program will have a positive impact on service member readiness and resilience, psychological health, team cohesion, and reduced loneliness. This research is designed benefit not only U.S. Army soldiers but across all military branches, as well as first-responders and other civilian occupations that face highly stressful situations as part of their work.

Oregon Healthy Workforce Center

Dr. Hammer is the Associate Director of the Oregon Healthy Workforce Center, a NIOSH Center of Excellence in Total Worker Health®. Research at the OHWC focuses on effective interventions that aim to improve the health, safety and wellness of workers. Read more about the Oregon Healthy Workforce here


The Sandwiched Generation

Along with her colleague Dr. Margaret B. Neal, Dr. Hammer researched the modern phenomenon of working couples who care for both children and aging parents and coined them the "Sandwiched Generation". Her research guides evidence-based practices aimed at improving the health and well-being of these couples.

Work, Family & Health Network (WFHN)

The Work, Family & Health Network (WFHN) is comprised of an interdisciplinary team of researchers brought together by The National Institutes of Health and the Centers for Disease Control and Prevention to advance the field of workplace psychosocial interventions in order to improve the health of workers and their families, while benefiting employers. Read more about the The Work, Family & Health Network (WFHN) here


  • Ph.D., 1991, Bowling Green State University

Honors and awards

  • 2020, Work and Family Researchers Network, Ellen Galinsky Generative Researchers Award with Ellen E. Kossek
  • 2019 SIOP Scientist-Practitioner Presidential Recognition
  • 2018 Fellow, European Academy of Occupational Health Psychology
  • 2016 Publication with Odle-Dusseau (Odle-Dusseau, Hammer, Crain, & Bodner, 2016) in JOHP was named one of the 10 most important I/O Psychology articles with practical significance to organizations.
  • 2014 Kanter Awards for Excellence in Work-Family Research—First Place Winner out of 2500 for most influential work-family article in 2014. Kelly, E. L., Moen, P., Oakes, M., Fan, W., Okechukwu, C., Davis, K. D., Hammer, L. B., Kossek, E. E., King, R. B., Hanson, G., Mierzwa, F., Casper, L. (2014) Changing Work and Work-Family Conflict: Evidence from the Work, Family, and Health Network. American Sociological Review. Vol. 79(3) 485–516
  • 2013 Recipient of the Branford Price Millar Award for Excellence in Research Scholarship at Portland State University 
  • 2013 Elected as a Fellow of the American Psychological Association 
  • 2013 Elected as a Fellow of the Society of Industrial Organizational Psychology 
  • 2012 Kanter Awards for Excellence in Work-Family Research--article among top 6 Finalist (out of 2,500) for most influential work-family articles in 2011. (Hammer, L. B., Kossek, E. E., Anger, W. K., Bodner, T., & Zimmerman, K. 2011.Clarifying work-family intervention processes: The roles of work-family conflict and family supportive supervisor behaviors. Journal of Applied Psychology, 96, 134-150.) 
  • 2012 Portland State University Civic Engagement Award with Donald Truxillo and Todd Bodner for work on NIOSH-TWH research project 
  • 2011 Distinguished Contribution to Occupational Health Psychology Award, Work, Stress, and Health Conference and Society for Occupational Health Psychology 
  • 2009 Columbia-Willamette Chapter of Sigma Xi, Behavioral Sciences Outstanding Research Award 

Memberships and associations

  • Academy of Management (1991-present)
  • American Psychological Association (APA) Fellow Status (1991-present)
  • APA Military Psychology, Division 19
  • APA Health Psychology, Division 38
  • APA Society for Industrial and Organizational Psychology Fellow Status, Division 14 (1991-present)
  • Society for Occupational Health Psychology, Founding President (2004-2005)
  • Society for Occupational Health Psychology, Member (2004-present)
  • American Society for Safety Professionals (2018-present)

Areas of interest

  • Work-Family Conflict and Stress
  • Occupational Stress
  • Occupational Safety and Health
  • Supervisor Supportive Training
  • Workplace Interventions 


Selected publications

  • Mohr, C.D., Hammer, L.B., Brady, J., Perry, M. & Bodner, T. (2021). Can Supervisor Support Improve Daily Employee Well-being? Evidence of Supervisor Training Effectiveness in a Study of Veteran Employee Moods. Journal of Occupational and Organizational Psychology, 94, 400-426. http://dx.doi.org/10.1111/joop.12342
  • Perry, M.L., El-Askari, L.M., Hammer, L.B., & Brown, N. D. (2020). Securing your Own Mask before Assisting Others: Effects of a Supervisor Training Intervention on Supervisors and Employees. Occupational Health Science, 4, 417–443. doi.org/10.1007/s41542-020-00075-0
  • O'Neill, A. S., Mohr, C. D., Bodner, T. E., & Hammer, L. B. (2020). Perceived Partner Responsiveness, Pain, and Sleep: A Dyadic Study of Military-Connected Couples. Health Psychology, 39, 1089–1099. http://dx.doi.org/10.1037/hea0001035
  • Smith, N. A., Brady, J. M., Hammer, L., Carlson, K., & Mohr, C. (2020). Military sexual trauma among women veterans: The buffering effect of coworker support. Military Psychology, 32, 441-449. doi.org/10.1080/08995605.2020.1806635
  • Hammer, L.B., Brady J., Perry, M., & (2020). Training supervisors to support veterans at work: Effects on supervisor attitudes and employee sleep and stress. Journal of Occupational and Organizational Psychology, 93, 273-301. DOI:10.1111/joop.12299
  • Sianoja, M., Crain, T.L., Hammer, L.B., Bodner, T., Brockwood, K.J., LoPresti, M., & Shea, S.A. (in press). The Relationship Between Leadership Support and Employee Sleep. Journal of Occupational Health Psychology. DOI: 10.1037/ocp0000173
  • Shepherd, B. R., Fritz, C., Hammer, L. B., Guros, F., & Meier, D. (2019). The impact of emotional demands, burnout, and recovery from work on correctional officer alcohol use.  Journal of Occupational Health Psychology. 24, 438-449.  http://dx.doi.org/10.1037/ocp0000114.
  • Hammer, L. B., Truxillo, D. M., Bodner, T. Pytlovany, A. C., & Richman, A. (2019). Exploration of the impact of organizational context on a workplace safety and health intervention. Work and Stress, 33(2), 192-210, DOI: 10.1080/02678373.2018.1496159.
  • Demsky, C. A., Fritz, C., Hammer, L. B., & Black, A. (2019). Workplace incivility and employee sleep: The role of rumination and recovery experiences. Journal of Occupational Health Psychology, 24(2), 228-240. DOI: 10.1037/ocp0000116
  • O’Donnell, E., Berkman, L. F., Kelly, E., Hammer, L.B., Marden, J. & Buxton, O. M.  (2019). Cardiometabolic risks associated with work-to-family conflict: findings from the Work Family Health Network, Community, Work & Family, 22, 203-228, DOI: 10.1080/13668803.2018.1440193


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