welcome  to  the  solis  group

Alan Zieman

Program Scheduler

Alan is currently the Lead Scheduler for DART’s $2 billion capital program, which includes the Cotton Belt “Silver Line” Corridor Regional Rail (CBRR) Project is a 26-mile passenger rail alignment extending from Terminal B at Dallas-Fort Worth International Airport eastward to Shiloh Road in Plano, Texas connecting with the existing Dallas Area Rapid Transit Lines. The Project traverses through three Counties in Texas: Tarrant, Dallas, and Collin; and seven cities: Grapevine, Coppell, Dallas, Carrollton, Addison, Richardson, and Plano. Additionally, multiple ongoing construction, signaling, platform raising, and communication systems projects.


• Over 35 years of experience and proven capability in Project Controls, to include scheduling expertise in the development and maintenance, of detailed project Engineering, Procurement and Construction (EPC) schedules.

• Proficient in Primavera P6 and Microsoft Programs

• Industry experience includes Fossil Power, Chemical, Refinery, Pulp & Paper, Manufacturing, Oil and Gas, Mining and Light Passenger Rail

Fun Facts
Alan enjoys playing golf, time with family, attending sporting events and travel.

Elizabeth Solis-Campana


Mike Komsky


Jeremy Turner

Vice President of Operations

Gonzalo Armijos

Director of Strategy and Client Relations

Angelina Gerpe

Marketing Pursuit Lead

Christopher Smith

Executive Director, Business Development

Joe Landoph

Accounting Manager

Monica Ramos

HR/ Administration Manager

Sabrina Cristi

Accounting Assistant

Gloria Cunningham

Document Control Specialist

Iris Solis

TSG Mascot

Katie Rich

Project Manager 2

Issac Hernandez

Project Manager 1

Andrew Solís-Castillo

Project Manager 1

Randy Munoz

Project Manager 1

Adam Solís-Castillo

Analyst 2

Olga Schriefer

Senior Site Interview Coordinator

Aaliyah Solís-Castillo

Analyst 2

Christian Sierra

Analyst 1

Cathy Zheng

Analyst 1

Malek Akar-Jackson

Analyst 1

Johnny Reyes

Analyst 1