Undetectable = Untransmittable Ambassadors

The Prevention Access Campaign U=U Ambassadors, launched in 2019, is a group of leading advocates, activists and healthcare professionals across the country who have played important roles in building the Undetectable = Untransmittable movement.  All ambassadors have gone through extensive training in U=U science, communications, and advocacy strategies. Working together, we are educating and building the capacity of providers and communities to integrate the U=U message into sexual health communications, advocacy, and clinical practice.


If you are interested in engaging* one of our ambassadors for community events, speaking engagements, trainings, or more, please contact us.


Arianna Lint is the Executive Director of  Arianna's Center, a community-based organization that provides advocacy, education and training, case management and linkage to care for transgender men and women in the South Florida area. She is a part of the National Board of PositivilyTrans, Prevention Access Campaign, and The Well Project. She is a refugee and lawyer from Lima, Peru. Arianna has spoken at dozens of trans and HIV-related conferences and has consulted for the White House's National HIV/AIDS Strategy, CDC, and Universities Nationwide. She is an outspoken advocate for transwomen living with HIV, U=U, PrEP access in the transgender community, immigration, and social justice. 

Fort Lauderdale, Florida

Arianna Lint


Anselmo Fonseca is a New Yorker born in Brooklyn, 57 years ago.
He is an HIV+ Gay Latino man, he is son, brother and uncle, as well as being longtime survivor of 28 years.

His work has been recognized by Poz Magazine Top 100 in 2010, as well as by the Obama administration as one of the 350 most influential National Advocates, during the launch of the National HIV/AIDS Strategic Plan 2010. His advocacy expands over 20 years, defending those nameless and faceless outcasts of society due to stigma and discrimination, as well as for Puerto Rico’s very complex Health Care System in especially relating to HIV quality care and it’s ongoing operational disparities.

He is the Ryan White Part B Community Co-chair, for over 6 years, where he mentors 9 HIV+ peer representatives on the many aspects of Strategic Planning and Ryan White Quality Care Program. Many of these peers are also active members in the “Coalition Cero HIV PR”, which he co-founded and
facilitates with the support of AIDS United.


Born out of necessity to strengthen Non-Governmental Organizations in anticipation of drastic cuts to state budgets from the “Fiscal Oversight Board” and all negative impacts relating to healthcare, this is a network CBOs or traditional AIDS Services Organizations, state clinical providers, private sector and local community leaders. Anselmo is officially AIDS United’s, Program Manager in Puerto Rico.

San Juan, Puerto Rico

Anselmo Fonseca


Alleen King-Carter is the Founder & CEO of Living in 3-D and a recognized community leader in providing HIV education and anti-stigma information throughout the State of Louisiana. She began her HIV career at the Philadelphia Center in Shreveport, LA. Living in 3-D is an organization dedicated to HIV education and anti-stigma work in communities. Alleen is an experienced motivational speaker and also coordinates other educators for Living in 3-D speaking engagements at churches, high schools, colleges, and correctional facilities. As a woman living with HIV, diagnosed in 2008 and living with an
undetectable viral load since 2009, she believes that the power of people telling their stories to educate others is an important strategy toward ending the HIV epidemic. Living in 3D sponsors the annual Love Day in the Park, raising HIV awareness and working with the community to ensure that accurate and needed information is readily available. Facing Our Issues is a specific Living in 3-D project created to educate pastors and clergy on HIV and the destructive impact of stigma.

Alleen is also a state-certified HIV Counseling Testing Specialist, Peer Facilitator for SIHLE, state-licensed CNA/CMA/ DSW and a member of the Louisiana HIV Criminalization Strategic Planning Committee. She is the new chair of LAAN. and the newly Governor-appointed Commissioner to the LA. HIV/HCV/Hep C Education, Research, and Prevention Commission. She was honored in 2016 (celebrating and spotlighting advocates and activists in the fight against HIV in the Deep South) and 2017 ( celebrating and spotlighting women in the fight against the virus), as a POZ 100 honoree.

Beyond her work addressing HIV, Alleen is also an active leader in her
church, helping start a soup kitchen and food pantry. She is also an assistant youth director and music director to her church choir. Alleen’s commitment to social justice and giving back to her community is a driving force in all of her work.

Shreveport, Louisiana

Alleen King-Carter

Bryan Jones _resized.jpg

Bryan Jones has been thriving with AIDS for over 34 years and has been an Advocate/Activist for half that time. He is a National Founding member of the Undetectable =Untransmittable campaign (U=U) and the founder of the DIRT (Direct, Inspiring, Reachable, Teachable) Advocacy Movement, an initiative that addresses communities of color with conversations that look like us, talk like us, and live like us. DIRT works to hold health departments accountable to the communities they serve. He is a voting member of both the Cleveland HIV Planning Council and the Ryan White Regional Advisory Group. Bryan has presented nationally on mass incarceration, housing instability and HIV, and U=U and was very instrumental in the forming of the Ohio health modernization movement whose mission is to modernize the HIV non-disclosure laws in Ohio. Bryan has been a part of the SERO Project HIV Is Not A Crime National Training Academy for three consecutive years, helping to develop policies and practices for states around the country who are modernizing and revising their HIV criminalization laws.


Bryan is the proud recipient of The Equitas Health 2016 Midwestern Trailblazer Award for lifelong commitment to the LGBTQ community and HIV/AIDS and the Equitas Health 2016 Midwestern Community Advocate Award. Bryan also has performed his one man theatrical piece throughout the U.S and abroad entitled “A.I.>D.S….and I Die Slowly.” He is a proud Rattler and Graduate of Florida A&M University with a B.S. in Broadcast Journalism.

Cleveland, Ohio

Bryan C. Jones


Luis A. Mares, LMSW is the Director of Community Mobilization programs at the Latino Commission on AIDS, working in the planning, developing and implementing of the National Awareness campaigns: National Latino AIDS
Awareness Day (NLAAD) and National Hispanic Hepatitis Awareness Day (NHHAD), with which the Commission coordinates efforts nationwide with partners in every state and US territory to provide education, outreach,
training and create awareness in the Latino community in the HIV and Hepatitis area. Luis is also a NYU Silver School of Social Work Field Supervisor for 2 nd year MSW Interns.

Luis is also part of the End the Epidemic (ETE) Non English Speaking, New Immigrants and Migrant Farmworkers advisory subcommittee for the New York State Department of Health AIDS Institute, the AIDS United Community
Mobilization Subcommittee, the NYC AIDS World Day Event Planning Committee, the HepFree NYC LGBT Committee, the NYC Hepatitis Awareness Event Planning Committee, and the NYC Latino Immigration Rapid Response Coalition Initiative Committee.

Luis began his professional career as an MD in his native Peru, where he graduated from Universidad Peruana Cayetano Heredia Medical School in 1993. Luis passed the ECFMG exams in 1995-1996 and then moved to New
York City in 1997. Almost immediately started to work in the HIV/AIDS field and from 1998 to 2012 he worked helping the homeless community infected with HIV, initially as the Health Care Coordinator and then as the Program Director at the Jamaica Transitional Housing Program located at the Jamaica YMCA in Queens, acting as the Director of the Residence Department for the Jamaica YMCA at the same time.

Luis received his Master in Social Work in 2017 from New York University and joined the Latino Commission on AIDS.

New York, New York

Luis Mares, LMSW

Maria is the co-author of the book "From a Warrior’s Passion and Pain," a real-life account of her 30-year battle with HIV and AIDS. She is currently the co-chair of the Women and Minorities Outreach for the Dab the AIDS BEAR project. Maria is an ambassador for the CDCs  “Let’s Stop HIV Together / Detengamos el VIH Juntos" campaign, “The Stigma Project," The Well Project, and the Greater than AIDS (IPV, Women, HIV, and Women) Empowered campaign.


Diagnosed with HIV in 1991 and infected in 1988 at the age of 15, Maria began a long journey finding hope, pride, and passion in an undereducated society unprepared to deal with the growing epidemic of HIV and AIDS. After ten years without treatment, Maria found herself at a crossroads. She could begin medical treatment or continue to slide towards death. Thankfully she chose to live and to fight for more than just her own health.


Maria is a volunteer for the Red Cross, an HIV educator and tester for Jackson Memorial Hospital, a motivational speaker all over the globe, an HIV consultant, and a member of several advisory boards, including Janssen Pharmaceuticals and The Well Project. She sits on the Board of Directors for CANN and Ariana's Center and is currently representing the state of Florida as an advisor and consultant for Gilead's Compass Initiative.

Fort Lauderdale, Florida

Maria Mejia

Roscoe is Executive Vice President of External Relations at SLAY MEDIA HOUSE, the leading online entertainment destination for Queer and Trans People of Color (QTPOC). He has more than 15 years of experience in sales, leadership, public speaking, and education. 


A long-term survivor of HIV (diagnosed in 2001), Roscoe has been a change agent and volunteer with organizations including Callen-Lorde Community Health Center, The HIV Stops With Me Campaign, New York State Department of Health, The Roeper School, FPWA, Inc, Morehouse Manhattan Alumni Association; and Prevention Access Campaign’s Undetectable = Untransmittable (U=U) Movement.


Roscoe has also developed a speaking platform broadly focused on health among LGBTQ people, and on sharing his lived experience as a queer/gay man of color who is living his best life with HIV. Roscoe is a native of Detroit, Michigan and earned a bachelor of arts in music from Morehouse College and, as a Teach for America alumnus, a master of science in teaching from Fordham University. 

New York, New York

Roscoe Boyd

Wanona (Nunu) Thomas has learned the power of turning her HIV diagnosis into a lifetime goal to reach, educate and encourage others about how to turn Havoc Into Victories.  In August 2017, she founded LIVE IN YOUR TRUTH, a non-profit organization in Milwaukee focused on empowering and inspiring individuals in a life of recovery from diagnosis of life-changing life conditions.

Ms. Thomas found strength in sharing her story and became a blogger for A Girl Like Me for The Well Project and became apart of their Community Advisory Board. She is  an ambassador for The Prevention Access Campaign and Youth  Across the Borders as well as an HIV Expert Consultant for Merck. Since that time, she has shared her journey on national and international platforms, at meetings, conferences and on social media, as a way to engage people in feeling more comfortable with embracing and accepting life.

A single mother of four, Ms. Thomas understands the importance of having a strong support system, and a focus on emotional wellness and mental health in order to reach a stage of recovery that can help transform your life.

Her commitment to health and wellness began with her work as a certified nursing assistant (CNA) where she learned that having a physical or mental condition does not take away from a person’s gift or their purpose for being on this earth.

Atlanta, Georgia

Wanona "Nunu" Thomas

Yonce Jones proud woman of trans experience who started working in the prevention field at the age of 15. Yonce's advocacy began as just a summer job in the basement of a community center, where she, along with a few friends, would wake up early the whole summer to go learn about the prevention of HIV. She was proud to receive her first Prevention Certificate of Completion and continues her HIV advocacy today. Yonce has been advocating and speaking on trans issues and rights for about close to 15 years. 

Yonce is a part of Harlem United and AIDS United, and she believes in U=U because it has changed her life by ending the stigma related to HIV care. She says, "I am not a diease, I am simply Yonce from the Bronx. The formula works it will work if you work it."

Bronx, New York

Yonce Jones

* PAC is committed to compensating Ambassadors for their time as well as covering expenses for any PAC engagements. We encourage all organizations in the field to ensure people living with HIV are treated with dignity and respect. If finances are a limiting factor for engaging our Ambassadors, please reach out to us so we can discuss strategies for engagement.

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Banner images feature Love to Love Organization (Uganda); ACCM (Canada); and Housing Works (USA) and Red Ribbon Istanbul (Turkey) at International AIDS Society Conference 2017 (France); other images from Place Tokyo (Japan), Apoyo Positivo  (Spain), and tattoo courtesy of Victor Claros (El Salvador). 
The information provided on Prevention Access Campaign is intended to support rather than replace consultation with a healthcare professional. Always consult a healthcare professional for medical advice, diagnosis, and treatment about your particular situation. 
Prevention Access Campaign is fiscally sponsored by Social & Environmental Entrepreneurs, a 501 (c) 3 public charity, and formerly by Housing Works.