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Board of Directors

Governance and Regulations

World-Class Education in San Antonio

Director and President

Angelina T. Osteguin was born and raised in San Antonio, Texas. She served on the Board as President for South San Antonio Independent School District for 2 years, 2016-2018. She also previously served as Board Secretary for 2 years, 2014-2016. Mrs. Osteguin is co-owner and administrator for To Care Enough CPR an AHA Training Center. As the Administrator and BLS Instructor, she oversees 215 American Heart Association BLS Instructors. Mrs. Osteguin also has 10 years of experience as co-owner and administrator for Texas Covenant Education Inc., a for-profit Texas Career School for adult education in Allied Health.

Mrs. Osteguin is married and has three children, one of whom was the Valedictorian of South San High School in 2015. The other two currently attend South San Antonio ISD. Angelina is a proud 1992 graduate of South San High School. That same year she received her Cosmetology License. Serving her community as an advocate for education is a commitment Mrs. Osteguin takes great pride in to achieve.

As a former trustee of a traditional school district, Mrs. Osteguin worked closely with the school board Attorney. Besides upholding four years of fiduciary duties and responsibilities, her responsibilities included setting policy for operations, balancing an annual budget, and implementing Robert's Rules of Order. 

Mrs. Osteguin also established community meetings and programs to inform and receive feedback. The meetings and programs had clearly defined objectives to enhance the reputation and recognition of the school district. 

During her tenure as Board President, South San Antonio ISD was recognized by the Texas Education Agency for their intense focus on improving student outcomes through Lone Star Governance (LSG). Commissioner Morath on October 3, 2018 announced South San Antonio ISD as a LSG mentor district for eight school districts in the Exemplar Cohort.                

Director and Vice President

Elda L. Flores is a retired educator of 38 years who has served the Texas public schools in the capacity of bilingual teacher, G/T teacher, campus vice-principal, campus principal, Director of Student Assessment, and Executive Director for Pupil Services.

She has served the city of San Antonio, Texas, City Council District 4, as a member of the San Antonio Public Library Board of Trustees from 1997-2012. She has also served in the South San Antonio ISD School Board of Trustees from 2016-2019. In 2017, Elda earned a micro-credential for Focusing Board Time on Student Outcomes through the Texas Education Agency.

She graduated from Dilley High School in 1969, Our Lady of the Lake College with a Bachelor of Arts degree in 1973, and Our Lady of the Lake University with a Master of Education degree in 1980 in San Antonio, Texas.

Elda is married to Ruben G. Flores, also a retired educator of 40 years, and has two children; a son named Andrew and a daughter named Ana Maria. Elda and her husband have traveled to all 50 states in the United States and have visited over 30 countries around the world.

Mrs. Flores is knowledgeable in classroom instruction as a result of teaching bilingual education in elementary school, evaluating teachers as a vice-principal and principal in elementary schools. Elda knows and understands State testing and Accountability as a result of serving as the District Testing Coordinator. She recognizes the importance of PEIMS as a result of directing, guiding, and training campuses on the importance of coding for the purpose of accurate reporting in the school district.

Another forte of Mrs. Flores is interviewing and hiring staff at a campus. As a school principal and as an Executive Director, Elda has interviewed and hired staff. She understands the importance of staff development for all campus staff. When necessary, she also knows the importance of creating growth plans. Elda also values due process and is knowledeable about the grievance process.

Director and Secretary

Edward B. Mungia was born and raised in San Antonio, Texas. He graduated from the International School of the Americas, a magnet school in the North East Independent School District

Mr. Mungia graduated with a Bachelor’s Degree in Political Science from Loyola University, New Orleans in 2015. Since then he has worked for District 4 Councilman Rey Saldaña and currently Councilwoman Dr. Adriana Rocha Garcia. He previously served as a board member for MOVE Texas and South San Antonio ISD.

Mr. Mungia serves as a Hispanic role model with Hispanics Inspiring Students' Performance and Achievement (HISPA) in San Antonio, Texas. He served as a board member of MOVE San Antonio, Texas.

During his tenure as a South San Antonio ISD board member, Mr. Mungia was active in the District's budget presentations and deliberations. He studied the District's finances in order to advocate for a Tax Ratification Election (TRE).

As a board member at South San Antonio ISD, Mr. Mungia also helped coordinate two-way, board-led conversations about various topics. He ensured parents had an opportunity to give their opinion. He also ensured these meetings were held in the evenings to better accommodate families the District served.

Director & Treasurer

Rosario V. Crutchfield has been a Texas Licensed Realtor since 2004. She joined the San Antonio’s office of Keller Williams Heritage in 2004. Mrs. Crutchfield offers a unique level of Real Estate expertise by combining an uncommon level of professionalism with her bilingual expertise in Spanish and English. She’s been a Platinum Top 50 finalist nine times since 2009 and a FIVE STAR Real Estate Agent seven times since 2010. Her notable designations include a Certified Negotiation Expert (CNE), Certified Home Marketing Specialist (CHMS), Graduate REALTOR® Institute (GRI), Accredited Luxury Home Specialist (ALHS), and Certified International Property Specialist (CIPS). Prior to joining Keller Williams, she worked for 15 years as a Tax Assistant and worked for KPMG, Arthur Anderson, and US West in Denver, Colorado.

Rosario graduated from Business Administration in Mexicali Baja California Mexico. With a degree in business administration and a background in accounting, Mrs. Crutchfield has been able to bring an attention to detail and discipline into every aspect of everyday life.

Mrs Crutchfield was on the Agent Leadership Council (ALC) of Keller Williams Heritage from 2010-2011. She is a member of the Parish Pastoral Council at Holy Trinity Catholic Church and was the Secretary from 2015 – 2018. Rosario has been a Board Member of the Adoration Community Theology Society (ACTS) Missions since 2018. She has been a member of Empresarias Texanas since 2018. She is the Founding Partner of Asociación de Mujeres Empresarias y Profesionistas (AMEP) and was the Secretary from 2012 – 2016. Rosario has also been a member of Asociación de Empresarios Mexicanos (AEM) since 2017.

Rosario continues to serve her community and her church community through music. She serves in ACTS retreats internationally. She likes to play the guitar, knit, and travel. 


Luis M. Rodriguez is a San Antonio native. He graduated from the John F. Kennedy High School in Edgewood Independent School District.

Mr. Rodriguez graduated with a Bachelor’s Degree in Business Administration from Trinity University in San Antonio. He is a thought leader in education and graduated from the education leadership development program of Leadership SAISD in May 2019.

Mr. Rodriguez has held several positions during three decades of his service, including:  University Budget Analyst at Texas A & M University in San Antonio; Administrative Specialist for Finance and Compliance Analyst at Our Lady of the Lake University; and Financial / Operational Auditor at the Citicorp Data Services Center.

Mr. Rodriguez is computer literate and proficient in Microsoft Word, Excel, Business Intelligence Systems, and 10-key by touch. He has published several self-help books on Amazon. Mr. Rodriguez is a Certified Life Coach and was trained by the American Union of NLP. He is a Law of Attraction Practitioner and was certified by the Global Sciences Foundation. He also served on the Board of Trustees of the South San Antonio ISD along with Ms. Osteguin, Ms. Flores, and Mr. Mungia when Commissioner Morath announced the District as a LSG Mentor District on October 3, 2018.

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