Nelba Márquez-Greene, LMFT, is a nonprofit leader, advocate and nationally sought after speaker and trainer. Nelba currently serves as Community Scholar, responsible for the connection between research and the community in the firearm injury initiative, at Yale School of Public Health. In 2020, she founded The Grieving Life, offering consultation, clinical work, training and public speaking to individuals and families experiencing traumatic grief associated with community violence and/or mass violence. Nelba's own nonprofit, The Ana Grace Project, invests in community programming and direct support for schools. Her passion for equity and opportunity for vulnerable students was also instrumental in the establishment of The CREC Ana Grace Academy of the Arts as well as endowed funds at Western and Central Connecticut State Universities. 

Since 2013, Nelba has been a fierce advocate, offering testimony and counsel, at the state and federal levels on many different mental health initiatives, including wellbeing of survivors of gun violence, gun safety and community strengthening. Her work includes bringing together key stakeholders in clinical and survivor voice.  

Educational groups, police, mental health teams, faith and legislative leaders, and community organizations of all kinds call upon her expertise in community strengthening, including many facets of safety. Nelba has hosted TEDx talks and delivered keynote and main stage presentations for the American Psychological Association, the American Association of Marriage and Family Therapy, the Child Trauma Academy and the National Council Conference (NatCon). She has reached tens of thousands of hearts through her appearances on television (The View, CBS this Morning, Good Morning America, MSNBC) and podcasts (Our Body Politic, Truth’s Table, Futuro Media) as well as through print media (The New York Times, The Washington Post, The Atlantic, The Huffington Post, People Magazine and The Nation).