Southern Region Roster/Bios


Monica Apodaca

Regional Director

Trane Technologies
800 E Beaty Street
Davidson, NC 28036

Monica Apodaca is the Director for the Southern Region and Past President of the Carolinas Chapter. Monica began her career in the metals industry at ArcelorMittal in 2002 serving in several Sales and Marketing roles. She moved to North Carolina in 2015 as an OEM Account Manager and in August 2016 Monica accepted a position in the CCS division at United Technologies as Associate Director for Steel and was Director of Global Steel and Steel Fab Strategic Sourcing until August 2023. Currently she is the SCM for Steel at Trane Technologies. Monica graduated from the University of Chicago with a BA in Public Policy in 2000 and currently resides in Charlotte with her three French Bulldogs.

Maureen Horn

Maureen Horn

Regional Vice Chair

Sr. ERP Project Mgr


Maureen Horn is the Vice Chair of the Southern Region and Texas Chapter Past President. She started her career in the steel industry in 1999 with IPSCO Tubulars and has held various positions in the commercial organization of IPSCO and TMK IPSCO. Maureen is now part of NORMA Group as a Senior ERP Project Manager - Americas.

Tina Brown

Tina Brown

Regional Secretary

HSEQ Coordinator, North America
TMS International, LLC
Birmingham, AL

Work: 205-212-8380

Tina Brown is a lifelong resident of the Birmingham, Alabama area and currently resides with her menagerie of furry rescues. She began her career in the metals industry as administrative staff at U. S. Steel in Fairfield, AL in the late 1990s. After a brief period of working with the family business in finance, she returned to the metals industry at Tube City IMS in Fairfield as an administrative assistant in 2005. Tina has been with what is now TMS International for almost 17 years. Currently she serves as HSEQ Coordinator for North America, performing valuable internal audits as well as ongoing training and support for site quality management representatives and safety staff at TMS International's many North American locations.

Angelica Callejas

Angelica Callejas-Frausto

Regional Treasurer

HR Office Administrator
Steel and Pipe Supply
PO Box 15526
Houston, TX 77220-5526


Angelica Callejas-Frausto is the Southern Region Treasurer and the current Texas Chapter Vice President. Angelica started in the fuel/petrochemical industry with Lyondell in 1994. She moved to the industrial distribution with APG in 1997 as Controller Assistant. Worked for one of the City of Houston’s top contractors for all the underground utilities until 2005. Joined Storage & Processors in 2006 and has done a bit of everything from Inventory, Shipping, Customer Service Manager, Inside Sales Manager to her current position as HR Office Administrator. In December 2009, Storage & Processors was acquired by Steel & Pipe Supply. She completed the Lead-M Program with Steel & Pipe back in 2016. In her spare time, she loves spending time with family, is involved in church, loves trying new recipes and baking. Volunteer work throughout the Metropolitan Houston Area includes organizations such as JDRF, Susan G. Komen, Ronald McDonald House, and Houston Livestock Show & Rodeo.

Scroll to Top