welcome  to  the  solis  group

Joe Tapley

Program Scheduler


Mr. Tapley has enjoyed a long and exciting career, working on several high-profile megaprojects including the Channel Tunnel Rail Link from design through closeout. He is currently the Lead scheduler for DART’s $2 billion capital program, which includes dozens of ongoing construction, signaling, catenary, and communication systems projects.


  • Chartered Engineer CEng MIEI (Ireland)
  • Primavera P6
  • Monte Carlo
  • Pertmaster
  • Over 40 years of experience in Project Controls, including Scheduling, Planning, and QRA Program Risk Management

Fun Fact

Joe has walked the famous Camino de Santiago in Northern Spain.

Elizabeth Solís


Mike Komsky


Gary A. Hamm

Executive Director, Business Development

Jeremy Turner

Vice President of Field Operations

Andy Lau

Senior Manager, Administration and Human Resources

Gonzalo Armijos

Director of Strategy and Client Relations

Joe Landoph

Accounting Manager

Katie Rich

Project Manager 2

Iris Solis

TSG Mascot

Mason Lutz

Project Manager 1

Issac Hernandez

Senior Analyst

Andrew Solís-Castillo

Analyst 2

Aaliyah Solís-Castillo

Analyst 2

Adam Solís-Castillo

Analyst 2

Olga Schriefer

Senior Site Interview Coordinator

Randy Munoz

Analyst 2

Helena Cho

Analyst 2

Emma Grace Noga

Executive Assistant to CEO

Monica Ramos

2nd Executive Assistant to CEO

Angelina Gerpe

Marketing & Proposal Specialist

Sabrina Cristi

Accounting Assistant

Leslie Quijano

Analyst 1

Christian Sierra

Analyst 1

Cathy Zheng

Analyst 1

Keith Black

Senior Change Management Representative

Jamal Albarghouti

Program Scheduler

Gloria Cunningham

Document Control Specialist

Alan Zieman

Program Scheduler