International Society of Travel Medicine
Office hours: Monday - Friday, 9.00 - 17.00 EDT (UTC-04)

ISTM Secretariat

ISTM Staff

Acting Executive Director: Whitney A. Mathews Alexander, MBA

Whitney Alexander Whitney has worked with ISTM for 5 years. She held the position of Marketing Coordinator beginning in 2017. In 2021 she assumed the Deputy Director position before stepping into the Acting Executive Director role.

Whitney received a Bachelor of Science in Marketing degree at the University of Tennessee, Chattanooga in 2000. After graduation, Whitney was awarded a Graduate Assistantship and continued her studies to complete an MBA with a concentration in International Business in 2002. She brings more than 20 years of marketing experience to the society, having worked for non-profits including the YMCA, The Salvation Army, University of Tennessee, Chattanooga, and the Public Education Foundation, and for-profit organizations in the restaurant/hospitality, staffing/human resources and steel industry. Whitney is creative and passionate about public health, marketing strategy, leadership, communications and community engagement.

Originally from Chattanooga, Tennessee Whitney has spent time living and working in Loire Valley, France, Chicago, Illinois, Napa Valley, California, and Atlanta, Georgia. She currently resides in Inman, South Carolina with her family. Whitney enjoys travel and embraces the opportunity to connect with people and experience new cultures. In her leisure time Whitney swims, enjoys art, gastronomy and wine appreciation, community cultural events, volunteering and spending time with her family. Whitney currently volunteers her time with her son's Pack 413 Cub Scout troop and with her daughter's preschool, serving on the parent Council.

Finance Manager: Elena Axelrod

Elena Axelrod Since 2002, Elena has held a variety of roles at ISTM. Currently, she works as the Data & Finance Manager, managing accounts payables and receivables for the society and foundation, maintaining contracts and legal documents, reconciles all transactions, and supports the annual audits. Elena also currently provides data support for GeoSentinel® projects. In her free time, Elena enjoys international travel and spending time with her two grandchildren.

Membership Coordinator: LaVelle Johnson

LaVelle Johnson More information forthcoming

GeoSentinel Data and Network Coordinator: Hannah Emetulu

Hannah EmetuluHannah is a full-time GeoSentinel Data and Network Coordinator. She helps with data management and quality control. Hannah also performs quarterly data analyses, trains new data personnel at GeoSentinel sites, and answers accessibility issues.

Hannah completed a Bachelor's degree in Biology from the University of Georgia in 2010 and a Master’s in Public Health from Georgia State University in 2012. She has a strong background in data management and clinical research. Hannah has most recently worked as a Senior Research Admin Coordinator at Emory School of Medicine. She can be reached at the GeoSentinel data quality email address:

GeoSentinel Program Manager: Aisha Rizwan

Aisha Rizwan Aisha Rizwan has been the Program Manager for GeoSentinel since August 2019. She completed a Bachelor's degree in Health Sciences from the Adventist University of Health Sciences in 2013 and a MPH in Public Health Practice from the University of South Florida in 2018. She brings an impressive background in preventative health, project management and clinical research.

Aisha can be reached at the new GeoSentinel program manager address:

Website Coordinator: Dawn Keough

Dawn Keough Dawn has been a graphic designer/web designer for over 25 years. She has a degree in Data Processing and holds many certificates in web design and programming from Marquette University. In her spare time, Dawn enjoys spending time with her family, her dog (Hildegard), and antiquing.

Programs Coordinator: Kim Gray

Kim Gray More information forthcoming

CPA: Jaclyn Simon

Jaclyn SimonMore information forthcoming

Meetings Coordinator: Sheena Vollmer

Sheena Vollmer More information forthcoming

Contact Us

Phone: +1.404.373.8282*
Fax: +1.404.373.8283
Office Hours: Monday - Friday, 9.00 - 17.00 (UTC-04)
Mail and Courier: 11720 Amber Park Drive, Suite 160; Alpharetta, Georgia 30009, United States of America

*Upon phoning the ISTM Secretariat, you will be prompted to reach ISTM staff at the extensions listed below:

  • LaVelle Johnson, Membership Coordinator, Press "1" or dial extension 1006
  • Whitney Alexander, Marketing, Press "2" or dial extension 1001
  • Elena Axelrod, Accounting, Press "5" or dial extension 1000
  • Aisha Rizwan, GeoSentinel, Press "6" or dial extension 1005
  • Hannah Emetulu, GeoSentinel, Press "7" or dial extension 1004