welcome  to  the  solis  group

Keith Black

Senior Change Management Representative
Keith Black

Mr. Black is a Senior Change Management Representative for TSG supporting Dallas Area Rapid Transit (DART). He is responsible for reviewing all change requests submitted by contractors on projects falling under the DART Capital Program, performing quality checks and preparing them for hearing before the DART Change Control Board or Design Control Board as appropriate. Mr. Black coordinates all Control Board meetings, documenting outcomes and other items discussed.


  • 40+ years’ construction experience including four separate DART assignments; 8 years’ Change Control experience at DART
  • Primavera Expedition/Contract Manager
  • U.S. Army Corps of Engineers certified in Construction Quality Management

Fun Facts
Keith likes boating, international travel, and attending concerts and NASCAR races.

Elizabeth Solís


Mike Komsky


Gary Hamm

Senior Vice President of Business Development

Katie Rich

Project Manager

Gonzalo Armijos

Senior Project Manager

Jeremy Turner

Senior Project Manager

Mason Lutz

Assistant Project Manager

Andy Lau

Senior Admin Manager

Gloria Rossiter

Senior Document Control Specialist

Joe Tapley

Program Scheduler

Gloria Cunningham

Document Control Specialist

Angelina Gerpe

Marketing Assistant

Emma Grace Noga

Executive Assistant

Issac Hernandez

Senior Analyst

Randy Munoz


Helena Cho


Andrew Solís-Castillo


Adam Solís-Castillo

Junior Analyst

Olga Schriefer

Senior Site Interviewer

Alejandro Mejia


Katherine Romero

Senior Analyst

Brooks Ford

Senior Program Scheduler

Sabrina Cristi

File Clerk

Diédre Diekmann

Jamal Albarghouti

Program Scheduler

James Okazaki

Third Party Administrator