Senior Leadership

Heather Matthews
Executive Director

Sundeep Achreja
Sr. Director of Finance
504-324-1924
Sundeep Achreja earned a Master of Business Administration with a concentration in Management Information Systems and a Bachelors in Accounting from the University of New Orleans. Sundeep has worked in Accounting at the Arc of Greater New Orleans for over two decades and states that he understands that ensuring the organization’s fiscal acuity is his “gift of service.” Sundeep is “passionate” about the Arc of Greater New Orleans’ programs and states that he is “happy” that his work serves to enrich the lives of the individuals with Intellectual/Developmental Disabilities.

Sherrana McGee-Stemley
Sr. Director of Operations
504-324-1486
Sherrana, has over twenty years of experience in the field of Social Service, Business Administration, Social Enterprise, Nonprofit Management and Direct Service Provision. As the Senior Director of Operations, Mrs. McGee-Stemley will oversee Workforce Development, Social Enterprise (i.e., MGRC, Grounds, Janitorial, etc.), Transportation and Facilities Maintenance.

Brianna Rock
Sr. Director of Programs and Services
504- 324-1701
Brianna Rock, LMSW, MPH is a licensed social worker and public health professional. Brianna earned graduate degrees in Social Work and Public Health from Tulane University. Brianna has adept experience in the fields of Mental Health, Social Service, and Juvenile Restorative Justice in the public and private sector. Brianna states that this diverse experience has honed her clinical aptitude and given her greater breadth to develop programs and services for vulnerable and marginalized populations.
Brianna states that those she serves are the experts to their own “greatest yet to be” and that “each day” she “welcomes the opportunity to interact with and learn from our members.”

Arleaser Simmons
Sr. Director of Human Resources
504-208-9718
Arleaser Simmons is a seasoned result-oriented Senior Human Resources professional with over 20 years of experience in the HR industry. Arleaser strives to bring an innovative approach to human resources while creating a team driven environment that fosters room for development and growth.
Arleaser, a native Floridian, member of the Society of Human Resources Management and graduate of Bethune Cookman University states her “greatest achievement in life is being a wife and a mother of two children” and “being of service.”

Todd Simmons
Sr. Director of Development
504-881-1974
Todd Simmons joined The ArcGNO in September 2023 bringing with him over 25 years of experience as an administrator, with expertise in marketing, public relations, business development, strategic planning, operations, finance, and outreach.
Todd graduated with honors with his Bachelor of Music degree from Cameron University in Lawton, Oklahoma, and received a Master’s in Business Administration from San Diego State University.
Address
925 Labarre Rd
Metairie, LA 70001
Phone
504-837-5105