2020–2021 Technical Advisors
Technical advisors serve under NEHA's Board of Directors. These advisors are subject matter experts in the following areas:
Climate and Health
David Gilkey, PhD
dgilkey@mtech.edu
Jennie McAdams
jenniecmcadams@franklincountyohio.gov
Richard Valentine
rvalentine@slco.org
Felix Zemel, MCP, MPH, CBO, RS, DAAS
felix@pracademicsolutions.com
Data and Technology
Darryl Booth, MBA
dbooth@accela.com
Timothy Callahan
tim.callahan@dph.ga.gov
Emergency Preparedness
Martin Kalis
mkalis@cdc.gov
Christopher Sparks, MPH, MPA, RS
christopher.sparks@houstontx.gov
Food Safety
Eric Bradley, MPH, REHS, CP-FS, DAAS
eric.bradley@scottcountyiowa.com
Tracynda Davis, MPH
tracynda.davis@fda.hhs.gov
Cindy Rice, MSPH, RS, CP-FS, CEHT
cindy@easternfoodsafety.com
General Environmental Health
Michael Crea, RS
crea@zedgepiercing.com
Tara Gurge. MS, RS, CEHT
tgurge@needhamma.gov
Crispin Pierce, PhD
piercech@uwec.edu
Clint Pinion, Jr., DrPH, RS, CIT
clint.pinion@eku.edu
Sylvanus Thompson, PhD, CPHI(C)
sthomps@toronto.ca
Healthy Communities
Stan Hazan, MPH
hazan@nsf.org
Robert Powitz, MPH, PhD, RS, CP-FS
powitz@sanitarian.com
Kari Sasportas, MSW, MPH, REHS/RS
ksasportas@lexingtonma.gov
Robert Washam, MPH, RS, DAAS
b_washam@hotmail.com
Infectious and Vectorborne Diseases
Christine Vanover, MPH, REHS
npi8@cdc.gov
Tyler Zerwekh MPH, DrPH, REHS
tyler.zerwekh@dshs.texas.gov
Special Populations
Cynthia McOliver, MPH, PhD
mcoliver.cynthia@epa.gov
Welford Roberts, MS, PhD, REHS/RS, DAAS
welford@erols.com
Jacqueline Taylor, MPA, REHS
bljacnam@aol.com
Water
Andrew Pappas, MPH
apappas@isdh.in.gov
Maureen Pepper
maureen.pepper@deq.idaho.gov
Jason Ravenscroft, MPH, REHS, CPO
jravensc@marionhealth.org
Sara Simmonds, MPA, REHS
sara.simmonds@kentcountymi.gov
Workforce and Leadership
Robert Custard, REHS, CP-FS
bobcustard@comcast.net
Michéle Samarya-Timm, MA, HO, MCHES, REHS, CFOI, DLAAS
samaryatimm@gmail.com