Below is a list of past projects Dr. Zimmer has worked on in his career and his role in those projects:
| Early Life Conditions, Survival, and Health: A Pedigree-Based Population Study 2012-2018; National Institute of Aging, National Institutes of Health; Co-Investigator |
| Multidimensional Pathways to Healthy Aging among Filipino Women 2011-2018; National Institute of Aging, National Institutes of Health; Consultant |
| The Mekong Region Development Research Group 2012-2016; Henry Luce Foundation’s Asia Responsive Grant Program; Institutional Collaborator |
| Cambodian Rural Urban Migration Project – CRUMP 2011-2013; United Nations Population Fund; Principal Investigator / UN Consultant |
| Modeling Disability Trajectories in Rapidly Aging Populations 2010-2014; National Institute of Aging, National Institutes of Health; Principal Investigator |
| The Impact of Migration of Adult Children on the Well-Being of Older Parents in Romania 2010-2012; Center on Aging, University of Utah; Co-Principal Investigator |
| The Impact of Migration on the Family and Intergenerational Solidarity 2009-2011; Doha Institute for Family Studies & Development; Principal Investigator |
| Disability Trajectories Among Older Adults in China and Taiwan 2008-2009; Pilot Grant, Center on Aging, University of Utah; Principal Investigator |
| Urban/Rural Disparities in Health and Mortality in China 2007-2010; National Institute of Aging, National Institutes of Health; Principal Investigator |
| Gender Differences in Older Adult Health in Japan, Singapore and Beijing 2007-2008; Faculty of Arts and Social Science, National University of Singapore; Consultant |
| Impact of Migration on Older Rural Parents 2007-2008; Thailand Research Fund, National Health Foundation; Consultant |
| Exploring the Nexus of Family, Migration, Aging and Health 2006-2007; Institute of Public and International Affairs, University of Utah; Co-Investigator |
| Examining the Well-Being of Elderly Cambodians and Their Families 2005-2006; United Nations Population Fund; Principal Investigator |
| The Impact of AIDS, Poverty, and Social Upheaval on the Elderly: The Case of Cambodia 2003-2005; National Institute of Aging, National Institutes of Health; Co-Principal Investigator |
| Comparative Study of Health Transitions in Later Life: China Supplement 2002-2005; National Institute of Aging, National Institutes of Health; Principal Investigator |
| Comparative Study of Health Transitions in Later Life 2001-2005; National Institute of Aging, National Institutes of Health; Principal Investigator |
| SES and Physical Functioning Across Diverse Settings 1999-2001; National Institute of Aging, National Institutes of Health; Principal Investigator |
| International Training and Research Program in Population Health 1998; Fogerty Foundation; Coordinator |
| Health and Aging in Taiwan: Sociological Explanations 1998; Graduate College of the University of Nevada-Las Vegas; Principal Investigator |
| Social Environment and Health Among Older Chinese 1997-1998; National Institute of Aging, National Institutes of Health; Research Assistant |
| Socioeconomic Differentials in Health 1996-1997; University of Michigan Research Partnership Program; Co-Principal Investigator |
| Living With Arthritis 1993-1994; Canadian Aging Research Network; Co-Principal Investigator |
