College of Business


Photo of Dr. John Medellin

Dr. John Medellin

Adjunct Faculty
Master of Science in Information Systems
Office: Parker
UMHB Mail Box:UMHB Box 8018900 College St, Box 8018BeltonTX76513
Phone: (254) 295-5405(254) 295-5405
Subjects Taught: BCIS 6323 ERP Systems, BCIS 6350 Project and Change Management, BCIS 6360 Applied Programming
Degrees Earned: Ph.D. Computer Science, Lyle School of Engineering, Southern Methodist University; MBA Computer Systems Management, St. Mary's University; BBA Computer Systems Management, Second Concentration in Accounting, St. Mary's University; Certified Public Accountant, Texas

Dr. John M. Medellin is a retired IBM Executive and a retired PricewaterhouseCoopers Partner with over 30 years of experience in Public Accounting, Management Consulting and IT Domain Management. During his tenure at PwC, he led several practices including the SAP Financial ERP implementation and the Aerospace, Defense and Aviation Practices in the Americas. He was responsible for several Partner admission sponsorships while both at PwC and IBM and has mentored many executives at both organizations.

While at IBM he led the practice for Travel & Transportation Custom System Development, the SAP Retail (Americas), Services Oriented Architecture (SOA, Global) and spent 7 years as a Senior Executive in Latin America.

Dr. John and Mrs. Cay Medellin have been blessed with three children; Madeline Ann, John Clifford and Margaret Ann, they have all been parishoners of Mary Immaculate Catholic Church in Farmers Branch, Texas since 1990.


Dual citizen (Mexico and US), born in Mexico, fluent in Spanish.

Traveled throughout Latin America and Europe.

Liked strength training in younger years.

Fan of Luke's Gospel (more you are given, more will be expected)

Research Interests

- Fault isolation and software verification  - Digital and circuit logic design and implementation

- Mobile Cloud Computing  - Formal Methods: Model Checking and Satisfiability

- Compiler and machine language optimization  - Real time tradeoff analysis & network optimization

Dr. John Medellin
Dr. John Medellin