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 Solís


Mike Komsky


Jeremy Turner

Vice President of Field Operations

Gonzalo Armijos

Director of Strategy and Client Relations

Joe Landoph

Accounting Manager

Katie Rich

Project Manager 2

Issac Hernandez

Project Manager 1

Randy Munoz

Project Manager 1

Helena Cho

Project Manager 1

Andrew Solís-Castillo

Analyst 2

Aaliyah Solís-Castillo

Analyst 2

Adam Solís-Castillo

Analyst 2

Olga Schriefer

Senior Site Interview Coordinator

Iris Solis

TSG Mascot

Emma Grace Noga

Executive Assistant to CEO

Monica Ramos

HR/ Administration Manager

Angelina Gerpe

Marketing Pursuit Lead

Sabrina Cristi

Accounting Assistant

Christian Sierra

Analyst 1

Cathy Zheng

Analyst 1

Malek Akar-Jackson

Analyst 1

Gloria Cunningham

Document Control Specialist