Our Board of Trustees
  • Darryl Byrd
    Darryl is Founder and Managing Director of ULTRAte Strategy and Consulting, LLC a community development, planning, strategy and management consulting form. Darryl's work is about helping others create and execute the most meaningful and powerful vision for what they aim to achieve personally, through business, or in their community. Designing the strategies to get them there, and the measures of success to keep themselves honest along the way are also a part of the work. He is a frequent national speaker in the areas of vision setting, community planning, and public engagement. Darryl is past President and Chief Executive Officer of SA2020, a 501(c)(3) nonprofit organization he co-founded, which serves as the primary catalyst for progress on San Antonio’s community vision. Prior to SA2020, Darryl served as CEO and Managing Director of Pearl Brewery, LLC, where he led an extraordinary team of professionals on the creation, articulation, and execution of the bold vision and master plan for the 22 acre Historic Pearl Brewery, located on the banks of the San Antonio River. Today, Pearl is among the strongest models of mixed-use urban redevelopment and adaptive reuse efforts in the nation. Darryl received his Master’s Degree in City and Regional Planning from Clemson University and his Bachelor’s degree in Political Science from Hampton University. A devoted community servant, Darryl is a member of the American Institute of Certified Planners, a former chairman of the City Planning Commission, and a former Co-Chairman of Leadership San Antonio. He is a member of the Emerging Leaders Council of the Federal Reserve Bank of Dallas, and a board member of the San Antonio Area Foundation, the Santikos Charitable Foundation and chairman of the Keystone School Board of Trustees. Darryl is also the former tri-chair for SATomorrow, the City of San Antonio’s 2040 comprehensive planning initiative, and the tri-chair of the successful $850M 2017 Bond Program.
  • Tammie Cavanaugh
    PTO Representative
      Tammie Cavanaugh calls Grenada, MS home but has lived in San Antonio twice since 1996 for a total of 15 years. She met her husband Mike, a native of Philadelphia, PA, while attending Mississippi State University. They have one son, Michael, in Keystone. Tammie has enjoyed various careers including being a second, third, and fourth grade teacher, a web designer, and a business owner. Currently, Tammie works full time as Director, Assessment Process in the Assessment Development division of Educational Testing Service. In the six years her son has been at Keystone, Tammie has served as VP of Fundraising, VP of Community, and now as the PTO President for the 2018-19 school year. When she’s not volunteering at Keystone, Tammie teaches kids on Sunday mornings at Grace Point Church and volunteers for various events like the annual Games for Life, an event she helped her brother start in San Antonio in 2011 to bring residents of long-term care facilities together for a day of Olympic-style events and fun. Tammie looks forward to serving with a great team of volunteers on the Keystone Board of Trustees for the 2018-19 school year.
  • John Engates
    John Engates is the Chief Technology Officer at Rackspace Hosting, the world’s leading specialist in hosting and cloud computing. John joined Rackspace in August 2000, just a year after the company was founded, as Vice President of Operations, managing the datacenter operations and customer-service teams. Two years later, when Rackspace decided to add new services for larger enterprise customers, John created and helped develop the Intensive Hosting business unit. Most recently, John is playing an active role in the evolution and evangelism of Rackspace’s cloud-computing strategy and cloud products. John meets frequently with customers to hear about their needs and ideas for the cloud, and to discuss Rackspace’s vision for the future of cloud computing. Prior to joining Rackspace, John was a founder and General Manager at Internet Direct, one of the original Internet service providers in Texas.  John is a graduate of the University of Texas at San Antonio and holds a bachelor’s degree in Accounting. John is an avid cyclist, camera buff, gadget geek and especially enjoys spending time with his wife and two daughters at home in San Antonio.
  • Lauren Ferrero
    Lauren Ferrero is an associate attorney at the international law firm of Norton Rose Fulbright US LLP, where her practice is devoted to public law and finance matters. Lauren primarily assists political subdivisions in the issuance of municipal securities and specializes in transactions involving partnerships between the public and private sector, special purpose entity/nonprofit corporation creation and governance, and conduit financings. She regularly serves municipalities, counties, school districts, investment banking firms, and major financial institutions in the capacity of bond counsel and underwriters’ counsel. Lauren is extremely enthusiastic about contributing to the Keystone community and hopes to assist in furthering the future possibilities for all students as well as enhancing the school’s role in the San Antonio community. Lauren also serves on the Board of Directors of the Children’s Bereavement Center of South Texas, the Advisory Council to the College of Public Policy at University of Texas at San Antonio, and is an active member of the Bexar County Women’s Bar Association, the Valero Alamo Bowl Committee, William S. Sessions Inns of Court, and Women in Public Finance – Texas Chapter. Lauren received her bachelor’s degree from Stephen F. Austin State University and her master’s degree from the University of Oklahoma. She graduated from St. Mary’s University School of Law, where she served as the Research and Articles Editor of the St. Mary’s Law Journal. Lauren is especially proud to be living and working in San Antonio, where she has resided since law school. In her spare time, Lauren loves attending major sporting events, yoga, spending quality time with her two rescue dachshunds, traveling, and learning to play golf.
  • Michael Fischer
    Michael Fischer is a professor of English at Trinity University, and the inaugural Janet S. Dicke Professor in Public Humanities. For sixteen years, he served in various administrative roles at Trinity, including Vice President for Faculty and Student Affairs and Interim President. Michael is a graduate of Princeton University and received his MA and PhD degrees from Northwestern University. His wife Kim is Associate Dean for Development for the UTSA College of Sciences. They have two adult children.
  • Gabrieal Gonzales
    Gabrieal Gonzales joined Keystone in 2006 as the first full time music teacher. He currently teaches general music (Kindergarten through 8th Grade) and serves as the faculty representative on the Board of Trustees.  This marks his 12th year at Keystone and 16th year teaching. Mr. Gonzales is originally from Plainview, Texas. He received a Bachelor Degree in Music Performance, Masters in Music, and Texas Music Teachers certification from Texas Tech University. He is a Metropolitan Opera Competition winner and sang professionally for opera companies across the country including Cimarron Circuit, Utah, Utah Festival, and Cincinnati Opera Companies. He has sung locally with Opera San Antonio, the Ken Davis Choral, and the Chamber Choir of San Antonio.  Mr. Gonzales holds numerous music certifications in World Drumming Music Curriculum and American Orff Schulwerk.  Gabe and his wife, Alicia, have 2 wonderful dogs.   He looks forward to serving on the Board of Trustees this year and sharing his perspective, experience, and enthusiasm.  
  • Pat Kalmans
    Pat Kalmans was born in Houston, Texas.  She attended Vanderbilt University, and after graduation, was employed by the Family Service Association of Nashville to be their first Family Advocacy Specialist. In 1973, Patricia moved to Appalachia where she worked for a public interest law firm specializing in community development projects in the East Tennessee region.  She left East Tennessee to attend law school at Georgetown University Law Center.  Upon graduation, she began a four-year stint with Georgia Legal Services Program (GLSP) as a staff attorney and health law specialist. It was in Georgia that Patricia met her husband, Dr. Michael Ozer, and a year after their marriage in 1981, they moved to San Antonio.  Patricia was employed for eight years with the law firm of Beck & Beck, P.C.  In 1990, she and two other women started the first all-women’s commercial law firm in San Antonio, and maintained an active business litigation practice at her own firm, Habbeshaw Kalmans, P.C. for 25 years. Now retired from the practice of law, Pat is an active volunteer.  She is currently a member of the board and executive committee of Planned Parenthood South Texas. In the Jewish community, Pat has been a member of the boards of the Jewish Community Center, the Eleanor Kolitz Academy, and the Jewish Federation of San Antonio, where she served in numerous capacities including President from 1998-2000 as wells as chair of the Community Relations Council from 2011-2015. Pat is the mother of two children, Zachary Ozer and Joshua Ozer, both of whom graduated from Keystone School. 
  • Carla Katselnik
    Carla Katselnik is a native of San Antonio, TX. She graduated from the University of Texas at San Antonio with a B.S. in Biology. She attended the University of Texas Health Science Center at San Antonio Dental School and graduated with a D.D.S. degree in 2003. In 2009, Carla and Daniel Katselnik welcomed their first daughter, Victoria. Victoria is currently a 2nd grader at Keystone. Their family grew again in 2011 with the birth of Cecilia. Cecilia attended the Little School of Keystone and is currently in Kindergarten at Keystone. Carla serves as the Lower School PTO Representative. She and her husband, Daniel, are the Annual Fund Captains for the school this year. Their family looks forward to being a part of the Keystone community for many years to come.
  • Wasif Latif
    Wasif Latif and his wife, Roshnic Latif, have two boys attending Keystone School, Huzair (class of 2019) and Hashim (class of 2021).  The Latif's moved to San Antonio in 2006 from Northern New Jersey.  Wasif works as an investment Portfolio Manager at a large financial services company where he overseas several investment products. Prior to that Wasif spent eight years as a portfolio manager at Deutsche Bank Private Wealth Management (DB PWM), where he was responsible for managing two families of fund products, as well as an international equity fund. He earned a master's degree in business administration from the University of Illinois at Chicago, and a bachelor's degree in finance from the University of Indianapolis.
  • Laura O' Donnell
    Laura O’Donnell is a Partner with the international law firm of Haynes and Boone where she practices management-side employment law and leads the firm’s wage and hour litigation practice group.  Laura was recently named the “2016 Lawyer of the Year” for labor and employment litigation in San Antonio by Best Lawyers, Woodward/White, Inc. Laura’s other awards include repeated recognitions as a top management-side employment attorney by publications including Best Lawyers, Texas Super Lawyers and San Antonio Scene.  In 2013, Texas Lawyers recognized Laura as one of the Top 50 Women Lawyers in Texas and one of the Top 50 Lawyers in Central/West Texas.  Laura was also named one of San Antonio’s 40 Under 40 Rising Stars by the San Antonio Business Journal in 2006 and as one of America’s Up and Coming Leading Business Lawyers in Employment Law by Chambers USA from 2005 to 2009. Laura received her undergraduate degree from Trinity University in 1993 and her J.D. from Baylor School of Law in 1996. Laura is married to Mike, who is a partner at the international law firm of Norton Rose Fulbright.  Laura and Mike are proud parents of two amazing Keystone students, a son in fourth grade and a daughter in third grade, both of whom have attended Keystone since kindergarten.
  • Kumar Reddy
    Kumar Reddy is a Keystone School Alumnus, and graduated as a member of the Class of 1993. He then attended Southwestern University in Georgetown for his undergraduate degree. This was followed by medical school training in Chicago, where he met his wife, Dr. Ami Bhalodia. They did their residency and fellowship training at Louisiana State University and started their family during that time. He moved back home to San Antonio in 2013, as a Neurologist and Sleep Medicine Specialist with River City Neurology at Baptist Health Systems. His two sons continue the family's Keystone Cobras legacy, with Shashi joining the school as a 2nd grader in 2013, and Dev starting at the Little School of Keystone in 2014. Kumar has participated as class and Little School representative in numerous fundraising events these past three years since his return to the San Antonio community, and hopes to continue his contribution to Keystone through service in the years to come.  
  • Juliana Robledo
    Juliana Robledo is a native of Colombia, South America. She is married to Sam Stevens who is a long time Keystone parent and former board member. His kids Hillary Stevens, Sammy Stevens, Danny Stevens and Zoe Stevens all attended Keystone. Now Juliana and Sam have Isabella(6th) and Luciana(2nd). Juliana is a dentist with a specialty in oral and Maxillofacial Pathology from the University of Florida and she landed in San Antonio for additional training in Head and Neck Pathology at the UT Health Science Center San Antonio. When Juliana is not busy looking into her microscope or giving a pathology lecture, she and Sam enjoy their ranch down in Poteet, where they raise cattle and hay all year round.
  • Victoria Shum
    Alumni Representative
  • Jay Srikanth
    Vice Chair
    Jay Srikanth was elected to the Board of Trustees in May of 2011 and is the current Vice-chair. He and his wife Gayathri have two sons, one of whom graduated from Keystone in 2013 and the other in 2016.  Jay has been a strategic leader within the ICT, Software & Services industry for more than 26 years. Following a graduate degree in Computer Science, Jay has been an integral part of the global technology evolution, holding senior leadership positions in multiple countries. Prior to joining the Board, Jay was part of the Keystone Strategic Planning Committee that established the strategic plan in 2009 to accompany enhancements to technology and facilities on campus. On the Keystone Board, he is active on two committees: Mission & School Life and Trustees & Governance. His Board goal is to continue to improve the educational experience of Keystone students so they can be prepared to become the global leaders of the future. Jay and his family moved to San Antonio from Seattle in June 2008, when their sons were in middle school. They discovered Keystone at the time and found it to be a perfect fit for the entire family. While in Seattle, Jay also spent time as a teacher in an “unity of faith” organization, supporting the instilment of fundamental human values in young children. Jay and his wife look forward to supporting Keystone and helping the school maintain its reputation for academic excellence and for providing a well-rounded education for its students.
  • Tim Vu
    Tim was born in Vietnam and grew up in Northern California. He moved to San Antonio in 2004. He is a graduate of the University of California, Los Angeles and obtained his M.D. from Albert Einstein College of Medicine in Bronx, NY. He completed his residency training in emergency medicine in San Antonio at Lackland AFB/Brooke Army Medical Center. He served on active duty in the US Air Force for 7 years and has had multiple deployments stateside and overseas, including a special operations assignment in Afghanistan. He held key leadership positions in the military and civilian sector, working on multiple committees to improve processes, budget goals, and staffing. An author of multiple publications, one of his proudest achievements is a departmental teaching award that was presented by his students and residents. Tim is a partner with Complete Emergency Care, a freestanding emergency company with over 20 locations throughout Texas and Colorado. In addition to operational and management duties, he also maintains a clinical role as medical director. His other entrepreneurial pursuits involve residential and commercial real estate and most recently, a telecommunications construction company which he co-founded. Tim and his wife Christina are the proud parents of two Keystone students, Emma and Mia. They are most grateful for the culture and community of Keystone and its staff, and hope to contribute to its mission of nurturing the minds, bodies, and spirits of its students.
  • Craig Weber
    Craig Weber and his wife, Eva, have two sons in the Lower School: Cameron (2nd grade) and Colton (Kinder). Craig is the CEO of Celent, a global technology research firm focused on financial services. Previously, he led the firm’s insurance division. He began his career as a management consultant in 1989, and has enjoyed tracking technology trends ever since. He is frequently featured as a speaker at industry events, addressing diverse topics such as systems modernization, innovation, and creative disruption. He received his M.A. from Emerson College in Boston. He and his wife co-chaired the Annual Fund in 2015-16 and served in the same capacity in 2016-17.
  • Amy Zesch
    Amy Zesch grew up in San Antonio. She graduated from Vanderbilt University in 1981 and then attended the University of Texas at Austin, earning an MBA and an MA in Communications. Amy enjoyed a short career producing and directing instructional media before retiring to raise a family. She and her husband Hal have four children, two of whom graduated from Keystone: Jordan in 2010 and Hannah in 2012. Except for a year’s employment with First Presbyterian Church as Interim Director of Children’s Ministry, Amy’s energy has been devoted to family and community. She is especially proud of her work on the Keystone PTO. Drawing upon years of experience with PTOs in the Northside and Alamo Heights school districts, Amy helped shape what was, at the time, an “infant” Keystone PTO. While on the Parent Council Amy set up and administered the PTO’s first balanced budget, proposed and then produced the early issues of KeyNotes, and chaired the committee that drafted the PTO’s by-laws. “I am honored by the opportunity to support and impact the best school in San Antonio as a member of the Board of Trustees!”
  • Harold Zuflacht
    Harold Carl Zuflacht is a founding partner at Higdon, Hardy & Zuflacht LLP a San Antonio law firm that focuses on family law. Harold is Board Certified by the Texas Board of Legal Specialization in Family Law. Additionally, Harold is a Fellow of the American Academy of Adoption Attorneys, a Fellow of the American Academy of Matrimonial Lawyers and a Fellow of the International Academy of Family Lawyers. Throughout his career, Harold held various offices at SAFLA, the organization of Board Certified Family Law specialists in San Antonio, including Treasurer, Vice President and President. Harold has also been involved in community banking in Texas. He served on community advisory boards, business development boards and loan committees for several banks ranging in size from three hundred million to 1 billion dollars in assets. Harold has a long-standing love for Keystone. He is both a Keystone graduate and a parent of Keystone students. He attended Keystone from first grade through graduation from high school. He recognizes the quality of the Keystone education and appreciates the benefits of the Keystone experience for both parents and students. In addition to being a Keystone Alumnus, Harold and his wife Marta have two children who attend Keystone. Hannah and Jacob. Harold earned a BA Degree in Economics from Tulane University and his JD from St. Mary’s University. When not working, Harold loves spending time with his family. In addition to his wife and two children, his family includes six cats and two dogs. His favorite past times include cooking, wine collecting, coin collecting, and shooting.