welcome  to  the  solis  group

Alan Zieman

Program Scheduler
Alan Zieman

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


Gary A. Hamm

Executive Director, Business Development

Katie Rich

Project Manager 2

Gonzalo Armijos

Director of Strategy and Client Relations

Jeremy Turner

Vice President of Field Operations

Mason Lutz

Project Manager 1

Andy Lau

Senior Manager, Administration and Human Resources

Angelina Gerpe

Marketing & Proposal Specialist

Emma Grace Noga

Executive Assistant

Sabrina Cristi

Accounting Assistant

Issac Hernandez

Senior Analyst

Randy Munoz

Analyst 2

Helena Cho

Analyst 2

Andrew Solís-Castillo

Analyst 2

Adam Solís-Castillo

Analyst 1

Leslie Quijano

Analyst 1

Christian Sierra

Analyst 1

Olga Schriefer

Senior Site Interviewer

Gloria Cunningham

Document Control Specialist

Joe Tapley

Program Scheduler

Brooks Ford

Senior Program Scheduler

Keith Black

Senior Change Management Representative

Jamal Albarghouti

Program Scheduler