Our dedicated staff and board include a diverse group of experts in the field of harm reduction.
Joyce Rivera
Founder and Chief Executive Officer
jrivera@sachr.org (718) 585 – 5544 Ext. 101
A National Science Foundation Fellow from 1981 to 1984, Joyce has over 35 years of experience working in program development and social services delivery. As a consultant and grant writer, her expertise in HIV prevention and harm reduction has made her a local and national leader in the field of AIDS and drugs.

She is a founding member of the National Harm Reduction Coalition (HRC), the North American Syringe Exchange Network (NASEN), and the Harm Reduction Care Network of New York (HRCNNY). Joyce frequently presents and conducts training on drug policy, harm reduction, women, communities of color, and social justice. She has chaired the boards of HRCNNY and the Latino Commission on AIDS. Joyce holds a bachelor of science degree in health administration with a specialization in healthcare planning and a master’s in comparative political science. She is also ABD at the Public Policy program at City University of New York.
Bart Majoor
Deputy and Clinical Director
bmajoor@sachr.org (718) 585 – 5544 Ext. 102
A clinical psychologist and psychotherapist, Bart Majoor brings more than 30 years of experience in the field of harm reduction, drug treatment and HIV prevention in the Netherlands, serving as the Director of the Department of Methodology and Training of the National Institute on Alcohol and Drugs.

Since 1995, he has served in the US as Deputy & Clinical Director of SACHR. As a consultant and trainer for several organizations in Europe and the United States, he shares his expertise in a wide range of subjects, including drug policy and AIDS, worker burnout, and harm reduction as drug treatment modality. Bart served as an appointed member on the NYC & NYS Prevention Planning Groups, where he chaired the organization’s Substance Use Committees.
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Our Board
Raul Russi Secretary rrussi@acacianetwork.org
Fr. Luis Barrios, Ph.D., FACFEI Chair lbarrios@jjay.cuny.edu
Jonathan Giftos, MD Member giftos@gmail.com
Michael T. Baldwin, Esq. Treasurer mtbaldwin@gmail.com
Joyce Rivera Ex Officio jrivera@sachr.org
Hector Diaz Member hdiaz@acacianetwork.org
Full Staff Directory
Vanessa Amaro Executive Assistant vamaro@sachr.org Ext. 133
Alvaro Arias Chief Financial Officer aarias@sachr.org Ext. 104
Van Asher HRS/SAP Program Manager vasher@sachr.org Ext. 105
Walter Bosque Acupunturist wbosque@sachr.org Ext. 115
Lourdes Correa CHOW lcorrea@sachr.org
Ric Curtis, PhD Evaluation Consultant (CADI)rcurtis@sachr.org Ext. 104
Martin DeGeorge SORT Team Member mdegeorge@sachr.org
Luz DeValle PDSE Team Member ldevalle@sachr.org
Angelica Diaz HRS Specialist adiaz@sachr.org Ext. 111
Maximilian Eyle Digital Media Consultant meyle@sachr.org
Stephanie FergusonData Entry Clerk sferguson@sachr.org Ext. 110
Anaisa Garcia Front Desk Reception agarcia@sachr.org Ext. 109
Francisco Gonzalez CADI Manager fgonzalez@sachr.org
Chariee Ice HRS Case Manager cice@sachr.org Ext. 121
Anna LoschiavoData Entry Clerk aloschiavo@sachr.org Ext. 110
Kyla Medina SORT Coordinator kmedina@sachr.org
Dayonel Mejia IT Consultant dmejia@dnfsolutions.com
Angie Milan-Cruz SEP Window/HCV Navigator amilan-cruz@sachr.orgExt. 150
Krystal Montalvo WSU Manager kmontalvo@sachr.org Ext. 151
Maria Nogueira HRS Specialist mnogueira@sachr.orgExt. 119
Jerry Otero, MA YIDU Program Coordinator jotero@sachr.orgExt. 112
Carmen Pagan WSU Program Peer cpagan@sachr.org Ext. 108
Yilania Jerez Office Manager yjerez@sachr.org Ext. 124
Rebecca Peeler The Sanctuary/Acupuncture/Massage Therapy rpeeler@sachr.org Ext. 115
Nando Pinto Ryan White Program Manager npinto@sachr.org Ext. 117
John C. Rivera Syringe Access Program/Naloxone Program jcrivera@sachr.org Ext. 103
Ruben Rivera Bathroom Monitor/Maintenance Ext. 131
Radhika Sahai HIV Testing & Case Manager rsahai@sachr.org Ext. 100
Deanna Staudt Bathroom Monitor dstaudt@sachr.org Ext. 131
Abigail Strubel Behavioral Health LCSW astrubel@sachr.orgExt. 106
Anamarie Toscano Kitchen Assistant atoscano@sachr.org
Daisy Valentine RW Care Coordinator dvalentine@sachr.orgExt. 122
Johnny Velazco Bathroom Monitor/Maintenancejvelazco@sachr.org Ext. 131
Kaity Yim Licensed Acupuncturist kyim@sachr.org Ext. 115
Peer Dispensed Syringe Exchange (PDSE)
Luz DeValle Team Member ldevalle@sachr.org
Victor Gomez Team Member vgomez@sachr.org
Syringe Outreach Response Team (SORT)
Martin “Ari” DeGeorge Team Member mdegeorge@sachr.org
Deanna Staudt Team Member dstaudt@sachr.org
José Martinez Team Member
Robert Gilliard Team Member
SORT stands for Syringe Outreach Response Team, and is dedicated to cleaning up and safely disposing of used syringes in the South Bronx. They are also available to spread information about health and harm reduction resources. The team is pictured here with our Founder and CEO Joyce A. Rivera.
