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About Us

About Us: The International Vaccine Access Center Team

 

IVAC Leadership

Katherine O'Brien, MD, MPH

Executive Director

kobrien2@jhu.edu

Dagna Constenla, PhD, MPhil, MPH

Director of Economics and Finance

dconste1@jhu.edu

Patricia Hahn-Esposito

Director of Operations

phahn1@jhu.edu

Maria Deloria Knoll, PhD

Associate Director for Science

mknoll2@jhu.edu

Bruce Lee, MD, MBA

Director of Operations Research

brucelee@jhu.edu

William Moss, MD, MPH

Deputy Director; Director of Epidemiology

wmoss1@jhu.edu

Lois Privor-Dumm, IMBA

Director of Policy, Advocacy & Communications

lprivor1@jhu.edu

Mathuram Santosham, MD, MPH

Senior Advisor 

msantos2@jhu.edu

 

Epidemiology

William Moss, MD, MPH

Director of Epidemiology

wmoss1@jhu.edu

Laura Hammitt, MD

Assistant Professor, International Health

lhammitt@jhu.edu

Maria Deloria Knoll, PhD

Associate Director for Science

mknoll2@jhu.edu

Stephanie Cascio, PhD, MPH

Senior Technical Writer

scascio1@jhu.edu

Olivia Cohen, MSPH

Research Program Manager, WHO HQ Geneva based

ocohen3@jhu.edu

Amanda Driscoll, MHS

Graduate Research Assistant

adrisco1@jhu.edu

Katie Gorham

Scientific Communications Specialist

kgorham3@jhu.edu

Kyla Hayford, PhD, MA

Associate

kylahayford@jhu.edu

Melissa Higdon, MPH

Research Associate

mhigdon@jhu.edu

Wangeci Kagucia, MHS

Graduate Research Assistant

ekagucia@jhu.edu

Helen Kuo, MPH

Research Program Manager

hkuo8@jhu.edu

Tham Le, MPH

Research Assistant

tle38@jhu.edu

Thuy-Linh Nguyen, MPH

Senior Research Data Analyst

linh.nguyen@jhu.edu

Mingfan Pang, MSPH

Research Assistant

mpang1@jhu.edu

Christine Prosperi, MSc

Research Associate

cprospe1@jhu.edu

Anita Shet, MD, PhD

Associate Scientist

ashet1@jhu.edu

Qiyuan Shi, MHS

 Senior Research Data Analyst

qshi6@jhu.edu

Jane Wanyiri, PhD, MPH

Research Program Manager

jwanyir1@jhmi.edu

Chizoba Wonodi, MBBS, MPH, DrPH

Assistant Scientist, Nigeria Projects Lead

cwonodi1@jhu.edu

 

Economics and Finance

Dagna Constenla, PhD

Director of Economics and Finance

dconste1@jhu.edu

Samantha Clark, MHS

Research Associate

sclark@jhu.edu

Diane Coraggio, MHS

Senior Technical Writer

dcoragg1@jhu.edu

Gatien de Broucker, MHS

Senior Research Data Analyst

gdebroucker@jhu.edu

Cristina Garcia, MHS

Graduate Research Assistant

crgarcia@jhu.edu

Jorge Martin del Campo, MD, MPH

Senior Research Data Analyst

jmartindelcampo@jhu.edu

Grace Morgan, MHS

Research Data Analyst

gmorga14@jhu.edu

Sachiko Ozawa, PhD, MHS

Assistant Scientist

sozawa1@jhu.edu

   

Policy, Advocacy & Communications

Lois Privor-Dumm, IMBA

Director of Policy, Advocacy & Communications

lprivor1@jhu.edu

Stephanie Cascio, PhD, MPH

Senior Technical Writer

scascio1@jhu.edu

Karen Kirk, MSPH, MHA

Research Associate

kkirk8@jhu.edu

Margaret Miller

Communications Associate

mmill195@jhu.edu

Molly Sauer, MPH

Communications Associate 

msauer3@jhu.edu

Prarthana Vasudevan, MS, MSPH

Communications Specialist

pvasude2@jhu.edu

Salma Warshanna-Sparklin

Communications Specialist

swarsha3@jhu.edu 

Chizoba Wonodi, MBBS, MPH, DrPH

Assistant Scientist, Nigeria Projects Lead

cwonodi1@jhu.edu

Julie B. Younkin, MPH

Research Associate

jbuss2@jhu.edu

Operations

Patricia Hahn-Esposito

Director of Operations

phahn1@jhu.edu

Patricia Boyd

Budget Specialist

pboyd1@jhu.edu

LaTia Brinkley

Research Service Analyst

lbrinkl1@jhu.edu

Matthew Coles

Senior Research Service Analyst

mcoles3@jhu.edu

Ali Fayyazi, MBA

Senior Financial Analyst

mfayyaz1@jhu.edu

Jennifer Howard

Administrative Coordinator

jhowar47@jhu.edu

Lawanda Lewis, MS

Budget Specialist

llewis36@jhu.edu

Lilian Smith-James

Administrative Coordinator

lsmith94@jhmi.edu

Tracie Wyman

Administrative Coordinator

twyman2@jhu.edu