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About ASH

Staff Directory

Executive Office

Martha Liggett, Esq.
Executive Director

Matthew Gertzog, FASAE,MBA
Deputy Executive Director

LaFaundra Neville, CAP
Executive Administrator & Board Liaison

Tonya Harley
Manager, Executive Operations

Domonique Porter

Tiffany Williams
Administrative Coordinator

Center for SCD Initiatives

Julie Lesch
Director, Center for Sickle Cell Disease Programs Initiatives

Ramona Spencer
Manager, Sickle Cell Disease Programs

Ivy Welch
Manager, Sickle Cell Disease Coalition

Marjani Cephus
Sickle Cell Disease Programs Specialist

Global Programs

Michelle Lara, MA
Senior Manager, International Programs

Andrew Zapfel, MPH
Senior Manager, International Programs & Alliances

Erin Sheek
Manager, International Programs

Marie Benoit
International Programs Specialist

Louanny Garcia
International Programs Coordinator

Information Technology

Karina Fernandez, MS
Chief Information Officer

Kevin Parker, MBA
Deputy Director, IT

Bryce Gaylor, MSIT
Senior Manager, Technology Integration

Alexandra Steinheimer
Senior Manager, Applications

Brandi Suttles, MA
Senior Manager, Information Technology Projec

Christopher Slye
Manager, Information Technology Projects

Stephanie Franklin, BA
Manager, Data Integrity & Customer Service

Brienne Simien
Manager, Desktop Operations

Mirahertz Atem
Help Desk Specialist

Joann Devito
Information Technology, Consultant


Jenifer Hamilton, CAE
Chief Communications Officer

Andrea Fischer, MSc
Director, Communications

Barry Black
Senior Manager, Marketing

Sean Loughlin
Senior Managing Editor, Communications

Eva Everett
Manager, Digital Marketing

Melissa McGue
Manager, Communications

Makinde Akande
Web Designer

Erin Lenahan
Managing Editor, ACN

Graham Walker
Manager, Marketing Analytics

Nadia Bennett
Digital Content Specialist

Colleen Costenoble
Marketing Operations Specialist

Valentina Paz
Digital Marketing Specialist

Claire Whetzel
Communications Specialist

Jonathan Wolfe
Editorial Specialist, Communications

IK David
Editorial Coordinator, Communications

Kaela Nelson
Project Coordinator, Communications

Jonah Stewart
Web Coordinator

Professional Development and Diversity

Nathalie van Havre, MD,MS,FRACP
Chief Learning Officer


Ana Velarde, BS
Interim Director, Education

Amanda Canavatchel, MPH
Manager, Sickle Cell Disease Education

Ebony Stewart, MPS, CAPM
Manager, Annual Meeting Education

Regina Gibson-Burtnick, BA, CAE
Manager, Continuing Medical Education

Moira Kraemer, MPH
Manager, Education Programs

Javier Rivera, MS
Education Programs Specialist


Robby Reynolds, MPA
Senior Director, Hematology Workforce & Career Development

Josel Fritz, MPH
Deputy Director, Career Development & Service

Gina Moses, MEd
Senior Manager, Hematology Recruitment & Retention

Annette Ben-Tzvi, MEd
Manager, Trainee Programs & Services

Piper Harmon, MA
Manager, Career Development & Programs

Priscilla Hudson
Online Learning Programs Specialist

Ricardo Melo Perez
Training Coordinator

Ireti Akinde
Program Assistant, Training, Temporary

Awards & Diversity Programs

Patricia Frustace
Senior Director, Awards & Diversity Programs

Vonnie Calemine, MA
Manager, Awards Programs

Allison Samis
Manager, Awards Programs

Careen Campbell Allen
Manager, Diversity Programs

Keelin Roche
Manager, Data Analysis & Program Evaluation

Eddrika Russell
Manager, Diversity Equity & Inclusion Projects

Jeremiah Worrell
Manager, Awards Programs Operations

Joann Mazali
Awards Programs Specialist

Jamie Tyson
Health Equity Project Specialist

James David
Awards & Diversity Operations Coordinator

Finance & Administration

Tiffany Ake, MBA,CPA
Chief Financial Officer

Tamiko White, MBA,CPA
Director, Finance

Joyce Kingue, CPA

Charles Oboh
Senior Manager, Financial Reporting

Russell Quynn
Manager, Debt & Finance

Marketa Widmer
Manager, Accounting

Sophear Master
Senior Accountant

Rosina Atsu
Staff Accountant

Alnisa Patterson
Accounting Coordinator

Resource Development

Angela Georgopoulos, MPH
Senior Director, Resource Development

Elisa Holmes
Manager, Grants Development & Compliance

ASH Foundation

Shawn Gates
Deputy Director, ASH Foundation

Caitlynn McGuin
ASH Foundation Manager

Business Development

Morgan Homer, BS
Manager, Business Development

Erin McMillen, MPH
Business Development Specialist

Business Services

Kim Benford
Senior Manager, Business Services

Rodney Hunter
Manager, Business Services

Government Relations & Practice

Suzanne Leous, MPA
Chief Policy Officer

Stephanie Kaplan
Director, Government Relations & Public Health

Tracy Roades
Senior Manager, Legislative Advocacy

Carina Smith
Manager, Health Care Access Policy

Natalie Bates
Government Relations Specialist

Bethany Sheehan
Government Relations & Public Health Programs Coordinator

Myra Masood
Manager, Policy & Practice


Bill Reed, FASAE, CMP
Chief Event Strategy Officer

Marshall Nayer, MBA
Deputy Director, Meetings

Nneka Iwuchukwu, MS
Manager, Meetings

Tammy Huber, MA, CMP
Manager, Meetings

Lori Beaston
Meetings Specialist

Suzie Casal
Meetings Specialist

Janet Biddle
Consultant - J. Spargo

Kelly Cade
ASH Grants Manager, Consultant

Kristie Chang
Corporate Support Consultant

Kaitlyn Greene
Consultant - J. Spargo

Leona Zahn
Meetings and Events Consultant


Nina Hoffman
Chief Publications Officer

Glenn Landis, MA
Senior Director, Publications

Dax Rodulfa-Blemberg
Director, Editorial

Kenneth April
Deputy Director, Production

Patrick Baggott
Senior Manager, Marketing & Permissions

Josipa Ilic
Senior Manager, Blood Portfolio Marketing

Joanna Robertson
Senior Manager, Data Integrity, Publications

Emily Arturo
Managing Editor, Blood

Brian Cannon, MBA
Manager, Graphics Projects

Karina Bustillo
Managing Editor, Blood Advances

Tiffany Clark, MPS
Managing Editor, Blood BVTH & BN

Tristan Coffelt
Manager, Production

Alison Beale
Annual Meeting Publications Specialist

Sera Johnson
Digital Publications Specialist

Sylvia Landis
Publications & Production Specialist

Helen Okeke
Peer Review Specialist

Beah Thompson
Digital Publications Specialist

Rachel Brown
Editorial Coordinator

Jeremiah Murphy
Editorial Coordinator

Brenda Sidhe
Editorial Coordinator

Francisico Alvarez-Higareda
Temp Staff-Publications Coordinator

Quality Improvement Programs

Robert Kunkle
Interim Director, Quality Improvement Program

Emily Cahill, MPH
Deputy Director, Clinical Quality Improvement

Patrick Irelan, MPhil, MPM, MA
Senior Manager, Clinical Quality Improvement

Sarah Paliani, MPH
Manager, Clinical Quality Improvement

Meghin Brooks, MPH
Practice Guidelines Specialist,

Rachel Cohen, BS, MPH
Practice Guidelines Specialist,

MJ Duckwitz
Clinical Quality Improvement Specialist

Natalie Martin
Practice Guidelines Specialist

Vondlyn Howard
Quality Improvement Programs Coordinator

Scientific Affairs

Kelly Rose, PhD
Chief Scientific Officer

Alice Kuaban, MS
Director, Scientific Affairs

Cristina Kitchen
Manager, Clinical & Outcomes Research

Duong Nguyen
Manager, Basic & Translational Research

Ashley Boyd
Science Education Specialist, Programs

Sharlene Steward
Science Education Specialist, Annual Meeting

Alexis Story
Scientific Affairs Program Coordinator

Human Resources

Dennis Sawyers, MSM-HRM, SPHR, SHRM-SCP
Chief Human Resources Officer

Chere Sanders, SPHR, SHRM-SCP
Senior Manager, Human Resources

Gene Moore
Human Resources Specialist

Susan Colvard
Staffing and Recruitment

Amber Pereira
Payroll and Benefits Administration

ASH Research Collaborative

Matthew Gertzog, [email protected]
Executive Director

Chris Dowd
Director, Strategy & Business Development

Shell Walser, BA, PMP
Director, Operations

Kamille Turner
Manager, Projects ASH RC

Data Hub

Kathleen Hewitt, DNP,RN
Senior Director, Data Hub

Michael Craige
Deputy Director, Informatics & Data Science

Emily Semmel, MS
Deputy Director, Data Hub

Travis Cleaves
Senior Manager, Business Analysis

Susan Rogers
Senior Manager, Data Hub Sickle Cell Disease Programs Program

Rasheda Campbell
Manager, Client Services Accounts

Latoya Scales
Data Hub Program Coordinator

Sickle Cell Disease Clinical Trials Network

Justine Nicholas
Senior Manager, Sickle Cell Disease Programs Community Engagement

Makda Alazar
Senior Manager, Sickle Cell Disease Programs Research Network

Hunter Carney
Engagement & Operations Specialist

Leslie Sanchez
Sickle Cell Disease CTN Program Specialist