Our Team

PHII’s staff is made up of a diverse team of professionals in public health, information systems, data analysis and communications. We remain at the forefront of informatics challenges and use our expertise to drive solutions that support public health practitioners in their mission to maintain healthy communities. Learn more about our experts.
PHII’s senior leadership team provides guidance and oversight on our diverse portfolio of projects.
Vivian Singletary, ISyE, JM, MBA
Executive Director
Daniela Salas O’Connell, MPH
Senior Deputy Director
Lura Daussat, MPH
Director of Practice Support
Jimica Tchamako, MPH, MBA
Director of Requirements Lab
Operations and communications
The operations team works to ensure that PHII’s daily business needs are met by overseeing financial services, coordinating logistics, and managing resources. Additional project support includes communications and training.
Deidra Baitey
Program Assistant
Tonya Duhart, MPA
Associate Director of Business Operations
Shawn Eastridge
Communications Manager
Piper Hale, MPH
Associate Director of Communications
Lisa Jones
Communications Manager
Monet Smith
Project Coordinator
Lavada Zahir
Senior Financial Analyst
Subject matter experts / informaticians
PHII’s robust team of subject matter experts and informaticians provides the backbone of our specialized informatics work, representing a diverse range of expertise domains within public health.
Shanti Bazouma, MPH
Business Analyst
Sheereen Brown, MS, MBA
Senior Business Analyst
Treonda Chapman, MPH
Informatics Analyst
Je’Terius Duirden, MS
Business Analyst
Stormm Hix, MPH
Business Analyst
Greco Johnson, MPH
Project Team Lead
Charisse LaVell, MPH
Senior Informatics Analyst
Lucy Liu, MS, MBA
Data Engineer III
Shailesh Nair, MPH
Lead Data Engineer
Vijay Pathangi, MS
IIS Project Team Lead
Juneka Rembert, MPH
Project Team Lead
Lina Saintus, DrPH, MPH
Project Team Lead
Navit Salzberg, MPH
Business Analyst II
Sarah Shaw, MPH, PMP
Senior Informatics Analyst
Sarah Stallard, MPH
Business Analyst
Tony Winters, DRPH, MSPH
Senior Informatics Analyst
Project management
Project managers at PHII lead and coordinate core project activities, keeping them on time and on budget.
Michael DeMayo, MPH
Senior Project Manager
Santita Hooper, MPA
Project Manager
Kati Keebaugh, MPH
Project Manager
Judith Kerr, MPH
Senior Project Manager
Hayleigh McCall McDavid, MPH
Project Manager
Mondie Tharp
Project Manager