Meet Our Team

Ileana Treviño's Headshot.jpg

Ileana Trevino

Ileana started her career in development and fundraising, in Houston, as the Vice Chancellor of University Advancement at the University of Houston, where she directed fundraising, advertising and public relations. In 2004, Treviño became the CEO of Memorial Hermann Foundation and led its fundraising. Ileana has extensive knowledge of Houston-area funders, including Foundations and corporations. She has expertise in Board governance, community relations, special events management, managing and executing campaigns and all elements of the development cycle. To date, she has raised over $400 million. 


Boston University
Master, Counseling Psychology

Boston College
B.A., Psychology and Languages

Activities & Affiliations

• Cristo Rey Jesuit, Board Member
• American Leadership Forum, Class XXX, Senior Fellow
• Holocaust Museum Houston, Former Member

Vice President and Senior Consultant
Mari Trevino Glass

Mari began her work in development in 2014 at Fund for Teachers and in May of 2017 received her Master of Arts in Nonprofit Management. She has extensive experience in Board governance, database management, social media, annual fund and special events fundraising.


University of Houston - Downtown
Master, Nonprofit Management

University of Texas at Austin
B.A., Psychology

Activities & Affiliations

• Heroes in Health, Chair
• Latin Women's Initiative, Special Events Chair

Marissa Beasley

Marissa began her work in development in 2014 at Memorial Hermann Foundation. She has extensive experience in donor relations, database management, annual fund and special events fundraising. 


Colorado State University
B.A., Journalism and Technical Communication 

Activities & Affiliations

• Gamma Phi Beta International Sorority, Board Member
• VHL Alliance, Texas Chapter Leader

Alissa Ratcliff

Alissa started her work with TCG in May 2017 as an intern and moved into a full-time role in August. Prior to her work at TCG, she spent four months interning for a United States Senator. Alissa is a graduate of Texas State University where she was awarded membership of two national honor societies for her degrees in political science and sociology. She has experience in database management, writing annual fund letters, special events management and grant writing.


Texas State University
B.S., Applied Sociology 

Rice University
The Art of Fundraising

Grant Writer
Sarah Hart Miller

Sarah brings to the team more than 20 years of experience in strategic marketing, communications and fundraising in both the nonprofit and for-profit sectors and has developed strategy, written content, provided creative and editing support and implemented communications and stewardship initiatives for more than $100M in high-level proposals.


Texas Christian University
Master, Marketing

DePauw University
B.A., French/Business

Activities & Affiliations

• Bayou Village School, Board of Directors
• Junior League of Houston, Sustaining Member