4SRanch~Del Sur Community Foundation Archives

About A.J. Steinberg, CFRE

With over 20 years’ experience as a nonprofit event producer and engagement strategist, A.J. Steinberg, CFRE has worked on over 100 successful events and raised millions of dollars for organizations with her Los Angeles-based production company.

A.J.’s team has produced almost every type of fundraising event, including intimate high net-worth donor gatherings, galas, festivals, and fashion shows.

In 2015 A.J. launched Queen Bee Fundraising to share the art and science of nonprofit event planning, sponsorship acquisition, and engagement strategies with organizations worldwide. She is a recognized topic expert and trainer, and presents on subjects such as nonprofit event planning, event sponsorships, committee and volunteer leadership, generational giving, fundraising, and guest engagement.

About Lety Martinez Hermosillo

As Vice President of Philanthropy, Lety Martinez leads the planning, development, and implementation of all communications, marketing and fundraising activities across the organization. She stewards ICF’s relationship within Mexican foundation networks and has helped ICF earn recognition as key funder for Mexican organizations. She magnifies the culture of philanthropy across ICF staff and board members.

Lety was awarded Outstanding Development Professional of the Year 2021 by the Association of Fundraising Professionals (AFP) San Diego Chapter and was selected as 2023 San Diego Magazine’s Nonprofit Rising Star.

She joined the International Community Foundation in August 2017 as the Marketing & Development Manager.

Lety has over 12 years of experience successfully fundraising and stewarding donor relations for several Mexican nonprofit organizations. Prior to joining ICF, Lety served as the Executive Director of the Boys and Girls Club of Tijuana. She was previously Youth Program and Fundraising Director for Centro de Formación Humana and a Social Investment Director for Fundación Dibujando un Mañana. Lety has also served as a volunteer in Budapest, Hungary at Szent Benedek Iskola and the Regnum Christi.

Lety is a graduate of Universidad Anáhuac México Norte where she received a Master of Family Sciences for Counseling, and she is certificated in Non-Profit Management by United Way Mexico and USAID. Previously she earned her B.A. in International Business from Instituto Tecnológico de Estudios Superiores de Monterrey (ITESM) Campus San Luis. She also holds a Master Degree in Nonprofit Leadership and Management at the University of San Diego.

Lety’s devoted to the growth and sustainability of Mexican nonprofits. She is a proud Mexican living in San Diego, where she enjoys traveling, reading, and spending time with her family. She is also a Human Rights and LGBTQIA+ advocate.

About Margie Newman Tsay

Margie Newman Tsay is founding partner of Intesa Communications Group, a widely respected and highly regarded women-owned business championing causes and initiatives throughout San Diego. On speed-dial for high-profile leaders in San Diego and beyond, Margie’s impressive industry know-how, reputation management expertise and unmatched energy drive continued successes for Intesa’s clients. Her career has spanned public, private, government and nonprofit entities, including serving as a press aide to former Tennessee Gov. Phil Bredesen, and as a media relations and social media manager for The Pew Charitable Trusts in Washington, D.C. Following her move to America’s Finest City in 2012, Margie single-handedly launched what is today one of the most sought-after, top ten PR and government relations firms in San Diego, according to the San Diego Business Journal.

Among the San Diego nonprofit organizations with which Margie has been actively involved over the past 13 years, she currently serves as the board chair of the YMCA of San Diego County, the largest Y in the country. She is actively involved on the boards of the Downtown San Diego Partnership and La Jolla Country Day School. Margie is also a member of Sharp HealthCare’s Marketing Committee, serving in an advisory capacity with other top San Diego communications professionals.

Margie’s confidence-building and reputation-enhancing successes regularly receive widespread commendations from associations and publications at the local and national level. Margie’s been named among San Diego Business Journal’s Business Women of the Year numerous times, was the International Association of Business Communicators San Diego 2018 Communicator of the Year and was a 2025 San Diego Business Journal CEO of the Year finalist.

A proud War Eagle at heart and active alumni of Auburn University, Margie is a charismatic and in-demand leader, public speaker, event emcee, and podcast guest. Still, her greatest joy comes from her family — Kai, Owen, Jake, Suzie and CJ.

In Memory of Simon Silva

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