Skip to footer

Meet Our Team

At Catalyst Miami, we believe in both internal and external collaboration. Each member of our team plays a key role in helping us achieve our mission of building a more just and equitable Miami in which all communities thrive.

Senior Leadership Team

Gretchen A. Beesing, LCSW

Chief Executive Officer

Gretchen joined Catalyst Miami in 2007, directing civic leadership and...
Read More about Gretchen A. Beesing, LCSW

Brian Larson

Chief Financial Officer

Brian serves as the CFO for Catalyst Miami. He is...
Read More about Brian Larson

Nina Thompkins

Chief Operating Officer

Nina Thompkins is the Chief Operating Officer at Catalyst Miami,...
Read More about Nina Thompkins

Zelalem Adefris

Deputy CEO

Zelalem Adefris is the Deputy CEO of Catalyst Miami, where...
Read More about Zelalem Adefris

Ahmed Mori

Vice President of Community Economic Development

As Vice President of Community Economic Development, Ahmed oversees worker...
Read More about Ahmed Mori


Aidil Oscariz

Community Engagement & Policy Consultant

Read More about Aidil Oscariz

Alyssa Delgado

Senior Community Prosperity Manager

Read More about Alyssa Delgado

De'Sean Weber

Worker-Owned Enterprises Director

Read More about De'Sean Weber

Fatou Cissé

Leadership Program Coordinator

Read More about Fatou Cissé

Louiseny Joseph

Community Economic Development Associate

Read More about Louiseny Joseph

Monica Monterroso

Senior Grants Accounting and Compliance Director

Read More about Monica Monterroso

Natalia Brown

Climate Justice Program Manager

Read More about Natalia Brown

Natalie Castellanos

Senior Director of Community Prosperity

Read More about Natalie Castellanos

Nicole Crooks

Community Engagement Manager for Overtown

Read More about Nicole Crooks


Damian D. Daley, Esq. (Chair)


An AV® Preeminent rated attorney by Martindale-Hubbell, Daley actively litigates...
Read More about Damian D. Daley, Esq. (Chair)

Mary Casey (Vice Chair, Development Committee Chair)


Mary Casey is a Managing Director of the J.P. Morgan...
Read More about Mary Casey (Vice Chair, Development Committee Chair)

Korene Stuart (Secretary)

Tech Lead, Black Girls Code

Korene Stuart is  the founder of Opportunity Curator, an agency...
Read More about Korene Stuart (Secretary)

Charmel Maynard (Treasurer, Finance Committee Chair)

Chief Investments Officer, University Treasurer

Charmel Maynard currently serves as Associate Vice President, Chief Investment...
Read More about Charmel Maynard (Treasurer, Finance Committee Chair)

Charles M. Auslander (Past Chair)


Charles Auslander is a 30+ year experienced attorney who has...
Read More about Charles M. Auslander (Past Chair)

D. Marcus Braswell, Jr.


Marcus Braswell is a Florida native and lifelong resident. Born...
Read More about D. Marcus Braswell, Jr.

Joaquin Dulitzky


Joaquin Dulitzky is a passionate advocate for financial literacy, mental...
Read More about Joaquin Dulitzky

Melanie Garman

Community Development Compliance Manager, TD Bank

Melanie Garman recently joined TD Bank as Community Development Compliance Manager,...
Read More about Melanie Garman

Melanie Hapner

Head of Risk and Security Assurance, Amazon

Melanie is a licensed attorney and experienced compliance/risk management professional....
Read More about Melanie Hapner

Bereatha Howard

Community Advocate

Bereatha was born and raised in Overtown, Miami, Florida. She...
Read More about Bereatha Howard

Jason Katz

Publisher, Islandia Journal

Jason Katz is a writer, editor, and publisher born and...
Read More about Jason Katz

Iya Overstreet

Founder, IYA Foundation

Meet Rekiya, also known as Ms. Iya, the urban woman...
Read More about Iya Overstreet

Daniella Pierre

Community Liaison, Miami-Dade County Public Schools

Daniella Pierre is a social justice engineer and servant leader....
Read More about Daniella Pierre

Gina Ciraldo Stabile (Past Chair)


Gina Ciraldo Stabile is CEO of Dr. Loretta Skincare and...
Read More about Gina Ciraldo Stabile (Past Chair)

Marjorie York

Community Activist, Community Action Agency

As a community activist, Marjorie York serves on more than...
Read More about Marjorie York