Sickle Cell Disease Association of America, Inc. (SCDAA)
Sickle Cell Research & Screening
Member Organizations
Media Canter
Annual Convention
Sickle Cell Programs & Eduation
Get Involved
Calendar of Events
Wall of Giving
Sickle Cell Disease Association of America, Inc.
3700 Koppers Street
Suite 570
Baltimore, Maryland 21227

Office   410.528.1555
Fax   410.528.1495
Toll Free   800.421.8453

Monday - Friday:
9:00am - 5:00pm (EST)
  • Sickle Cell Conditions
Sickle Cell Disease Association of America, Inc. Corporate Advisory Council
about / board



Christopher Hollins is the Vice President, Account Development of the Global Client Group within Global Corporate Payments. In this role, Christopher is responsible for managing over 40 global clients in the Entertainment, Financial Services, Pharmaceutical and Professional Services industries. Mr. Hollins joined American Express in 2006 as Vice President of Retail Industry in Merchant Services North America. In this role, he and his teams developed and implemented a comprehensive retail merchant strategy, deepened merchant relationships and successfully renewed many complex, high-value contracts. In his role prior to Global Corporate Payments, Christopher led a national merchant marketing and sales organization. Christopher led a team who were responsible for over 600 merchant relationships across numerous industries including: retail, consumer packaged goods, restaurant and lodging.
Prior to American Express, Christopher worked for 10 years at AT&T/Lucent Technologies where he led Lucent’s strategic efforts to expand the mobile technology and professional services market place with global service providers. Christopher utilized his expertise in strategic planning, cross-functional team building, business development and global marketing to support his teams’ efforts in the telecommunications industry. During his time at Lucent, Christopher spent over one third of his career living outside the United States, primarily in India and Southeast Asia. Christopher started his career at IBM in information technology consulting and marketing.
Christopher holds an MBA in Marketing and Finance from the Wharton School at the University of Pennsylvania and a BA in Economics from Grinnell College. He resides in New Jersey and enjoys golf, fitness training and adventure travel.

David N. Braxton, Ph.D

1st Vice Chair

Senior Vice President, Strategic Sourcing
SunTrust Bank, Inc.
303 Peachtree Center Ave., Suite 800
Atlanta, GA 30308

Betty Nwabuonwu

2nd Vice Chair

Vice President - Global Technology Services - N. America
State Street Corporation
Kansas City
801 Pennsylvania Avenue
Kansas City, MO 64105

Genice T. Nelson


Advanced Practice Registered Nurse
51 Orchard Street
Meriden, CT 06450

Dennis Taylor


Vice President of Human Resources
Munich American Reassurance Company
56 Perimeter Center East
Suite 500
Norcross, GA 30346

Kim Smith-Whitley, M.D.

Chief Medical Officer

Clinical Director
Division of Hematology
The Children's Hospital of Philadelphia
34th & Civic Center Boulevard
Philadelphia, PA 19104

Biree Andemariam, MD

Vice Chief Medical Officer

Hematologist/Oncologist, Assistant Professor of Medicine
University of Connecticut Health Center
115 Scarborough Street
Hartford, CT 06105

Lennette J. Benjamin, M.D.

Professor Emerita of Medicine
Albert Einstein College of Medicine
Independent Consultant
LJB Global Consultants

Savannah T. John

Director of Regional Advancement
American University
4400 Massachusetts Avenue, NW
Washington, DC 20016

Mary E. Brown

President & CEO
Sickle Cell Disease Foundation of California
6133 Bristol Parkway, #240
Culver City, CA 90230

Edda Collins Coleman

Managing Director
316 Group LLC
4401 Ford Avenue, Suite 405
Alexandria, VA 22302

The Hon. Katie G. Dorsett, Ed.D.

North Carolina State Senator
2106 Legislative Building
Raleigh, NC 27601

Johnny L. Harris

Certified Vocational Evaluator
P. O. Box 6486
Talladega, AL 35161

Lawrence I. Hollins

The Hollins Group, Inc.
225 Wacker Drive
Chicago, IL 60606-1229

Carlos W. Morgan

Program Manager
Atlanta Veterans Affairs Medical Center
1670 Clairmont Road
Decatur, GA 30033


Kwaku Ohene-Frempong, M.D.

Professor of Pediatrics,
University of Pennsylvania
Comprehensive Sickle Cell Center
The Children's Hospital of Philadelphia
34th Street & Civic Center Boulevard, CSH 448
Philadelphia, PA 19104

Rosie M. Peterson, BS PAHM

Director of Development and
Institutional Diversity Initiatives
Office of Diversity and Community Engagement
The University of Texas at Dallas
800 W. Campbell Road  MP26
Richardson, TX  75080

Rev. LeRoi Simmons

404 West Chelten Avenue
Philadelphia, PA 19144

Charles H. Wilkins

Emerson Process Management
12603 SW Freeway, Suite 100
Stafford, TX 77477
Featured Event
Featured Event
Featured Event
SCDAA Corporate Sponsor