Meet the Team

Sam began his legal career as a briefing attorney on the Fourteenth Court of Appeals in Houston, Texas. Since then, Sam has worked in the appellate sections of prominent San Antonio law firms managing appeals, initiating original proceedings, and assisting trial lawyers with law-intensive matters across a broad spectrum of substantive legal areas. Sam is Board Certified in Civil Appellate Law by the Texas Board of Legal Specialization.

Certifications and Admissions

• Board Certified in Civil Appellate Law – Texas Board of Legal Specialization
• Texas State Courts
• United States Court of Appeals for the Fifth Federal Circuit
• United States District Courts: Western District of Texas
• New Mexico State Courts

Education

• ST. MARY’S UNIVERSITY SCHOOL OF LAW, San Antonio, Texas, Juris Doctor, Magna Cum Laude, 2003
  • Executive Editor,  ST. MARY’S LAW JOURNAL
• NEW MEXICO STATE UNIVERSITY, Las Cruces, New Mexico, Bachelor of Business Administration and Bachelor of Arts, High Honors, 2000

Honors and Awards/Community Service

• AV Preeminent Peer Review Rating – Martindale Hubbell, 2018 – 2023
• Texas Super Lawyer list, Civil Appellate Law – Thomson Reuters, 2014 – 2023
• Texas Rising Star list, Civil Appellate Law – Thomson Reuters, 2008, 2011, 2012 – 2014
• President, Texas Young Lawyers Association – 2016 – 2017
• Director, Texas Young Lawyers Association – 2010 – 2014
  • Recipient of Joseph M. Pritchard Inn Outstanding Director Award – 2013
• President, San Antonio Young Lawyers Association – 2008 – 2009
• Chair, San Antonio Bar Association Appellate Practice Section – 2009 – 2011
• Program Leader, William S. Sessions American Inn of Court – 2010, 2013
• Council Member, State Bar of Texas, Appellate Section – 2013 – 2016
• Fellow, Texas Bar Foundation
• Fellow, San Antonio Bar Foundation
• Fellow, Texas Bar College – 2007 – present
• Member, Admissions Committee for the United States District Court for the Western District of Texas (San Antonio Division) – 2018-2022

Nissa has over 38 years’ experience handling appellate and law-intensive matters. She began her legal career as a briefing attorney for the Third Court of Appeals, and she also previously served as a briefing attorney for the United States District Court for the Western District of Texas. In private practice, Nissa has developed and maintained a diverse practice handling matters for individuals, corporations, and non-profit entities across numerous substantive legal areas. In addition to operating her own law practice, she was previously a shareholder in Crofts & Callaway, P.C. Nissa is Board Certified in Civil Appellate Law by the Texas Board of Legal Specialization.

Certifications and Admissions

• Board Certified in Civil Appellate Law – Texas Board of Legal Specialization
• Texas State Courts
• United States Supreme Court
• United States Court of Appeals for the Fifth Federal Circuit
• United States District Courts: Western District of Texas

Education

• BAYLOR UNIVERSITY SCHOOL OF LAW, Waco, Texas, Juris Doctor, 1986
• TRINITY UNIVERSITY, San Antonio, Texas, Bachelor of Science, Summa Cum Laude, 1983

Honors and Awards/Community Service

• Belva Lockwood Outstanding Lawyer Award, Bexar County Women’s Bar Association – 2007
• Texas Super Lawyer list, Civil Appellate Law – Thomson Reuters, 2005 – 2023
• Chair, Host Committee, Fifth Circuit Judicial Conference – 2007
• Director, San Antonio Chapter of the Federal Bar Association – 2006 – 2007
• Trustee, San Antonio Bar Foundation – 2006 – 2011
• Vice-President, Bexar County Women’s Bar Association – 2005
• Secretary, San Antonio Bar Association Appellate Practice Section – 2019-2024
• Director, Bexar County Women’s Bar Association – 2002 – 2004, 2006
• Director, San Antonio Bar Association – 2002 – 2004
• Chair, San Antonio Bar Association Law Day Committee – 2002
• Fellow, Texas Bar Foundation
• Fellow, San Antonio Bar Foundation
• Member, San Antonio Bar Association

Greta began her legal career as a law clerk for the chief justice of the Fourth Court of Appeals and then continued as a staff attorney for that court for many years, researching legal issues and drafting appellate opinions and orders in both civil and criminal matters. Following her service on the Fourth Court of Appeals, Greta entered private practice as a member of a complex commercial litigation team with a prominent San Antonio law firm, focusing her practice on appeals, mandamus proceedings, and trial support. Greta is Board Certified in Civil Appellate Law by the Texas Board of Legal Specialization.

Certifications and Admissions

• Board Certified in Civil Appellate Law – Texas Board of Legal Specialization
• Texas State Courts
• United States Court of Appeals for the Fifth Federal Circuit
• United States District Courts: Western District of Texas

Education

• MARY’S UNIVERSITY SCHOOL OF LAW, San Antonio, Texas, Juris Doctor, 2005
• UNIVERSITY OF TEXAS AT AUSTIN, Bachelor of Arts, 1999

Honors and Awards/Community Service

• Leadership San Antonio, Class 45 – 2020
• President, Bexar County Women’s Bar Association and Foundation – 2018
• Programs Co-Chair, San Antonio Bar Association Appellate Practice Section – 2022-2023
• President, Texas Association of Appellate Court Attorneys – 2011
• Fellow, Texas Bar Foundation
• Fellow, San Antonio Bar Foundation
• Member, San Antonio Bar Association
• Board Member, SAY Sí – 2020-2022
• Board Member, The Magik Theatre – 2019-2022