Our Team

Patrick Broderick

Patrick Broderick, President

Patrick, Valiant’s President, leads day-to-day operations and makes all executive-level decisions for the company. Having served as a U.S. Army officer, Patrick understands the value of strong leadership and commitment.

As President, Patrick sets the overall direction of the company, establishes company-wide goals, interfaces with architects, subcontractors, and owners, negotiates contracts with clients and strategic partners, and evaluates the financial performance of the company. He possesses over 12 years of comprehensive experience in executive oversight, project management, supervision, administration, and field experience.

His enthusiasm and unwavering integrity govern Valiant’s operations.

MBA, Bellarmine University • B.S., Ball State University

Steve Mongrello

Steve Mongrello, Vice President of Operations

Steve provides 30+ years of professional experience to the Valiant team. He holds a degree in Construction Engineering and serves as Valiant’s VP of Operations. Having worked in a variety of capacities from the field to the office, Steve has an understanding that allows him to find solutions that address all sides of a project.

Clients value his superior knowledge in leading design and construction teams, monitoring field construction activities, document interpretation, estimating, planning and scheduling, interfacing with architects and owners, and negotiation and administration of contracts.

B.S., Wentworth Institute Of Technology

Martha Gillespie

Martha Gillespie, Vice President of Preconstruction

Martha’s experience in the construction industry spans over four decades. Beginning on the design side with architects and interior designers, she later transferred into construction as she is now Valiant’s Vice President of Preconstruction. Her strengths lie in RFP analysis and strategy development, and she has completed 400+ federal proposal submittals. Also, her leadership and experience in interoffice management and procedures have made her a valued asset to Valiant.

B.A., University Of Denver

Adam Hobson

Adam Hobson, Director of Finance

Adam joined Valiant shortly after completing his MBA. Brought on as Accounting Manager, Adam has quickly earned his position as Director of Finance and as a leader in the company. He is also a licensed CPA. His accounting/financial insight and understanding and his dedication to making Valiant successful are truly an asset.

MBA, Bellarmine University • B.A., Bellarmine University

Project Managers

Tim Ernstberger

Tim Ernstberger, Senior Project Manager

Tim has over 25 years of experience in the construction industry, and he provides strong leadership in all phases of construction from design contract negotiations through build out. He possesses excellent management skills that include scheduling, problem-solving, cost reduction, energy savings calculations, estimating, budgeting, forecasting and construction administration. Tim excels in delivering projects on time and under budget.

B.S., Purdue University

Jeffrey Hils

Jeffrey Hils, Senior Project Manager

Jeff has nearly two decades of managing commercial and U.S. government construction and design/build contracts. He excels at managing operations and projects while contributing significant revenue-producing activities. Jeff is an effective communicator who interacts easily with all levels of organization personnel, design teams, subcontractors, and customers.

B.A., University of Kentucky

James Arterburn

James Arterburn, Project Manager

James is an accomplished Project Manager who maintains focus on the “big picture.” With 18+ years of experience in construction, military, and business, James’ specialized qualifications in division management, organizational leadership, and project management set him apart. He develops and manages extremely effective teams while conducting high-intensity operations.

B.S., Western Kentucky University


Jimmy Thompson

Jimmy Thompson, Superintendent

Jimmy has 20 years’ experience in construction and federal contracting, with 12 years as a Superintendent. His key areas of expertise include scheduling, targeting of intermediate milestones, budget monitoring, and overall project coordination. He possesses excellent communication skills complemented with extremely strong technical skills.

Andy Hall

Andy Hall, Superintendent

Andy has over 16 years’ experience in Construction, with 11 years in Project Management. He excels in job site safety, communication, scheduling/budget, and general job site management as well as maintaining client relations. He is respected by his teams and challenges them to exceed client expectations.

Sean Scherer

Sean Scherer, Superintendent

Sean’s experience includes 22 years in the construction industry and 15 years of supervision and management of U.S. government and medical projects in various locations. His biggest strength is in federal contracting and total project management. His thorough knowledge of each project he is assigned enables him to make quality decisions and resolve issues.

Gale Hensley

Gale Hensley, Superintendent

Gale has spent nearly three decades in the construction industry working with and supervising subcontractors. He excels in scheduling, project coordination, budget monitoring, and management of materials. Gale understands that customer satisfaction is of utmost importance for any construction project.

Preston Davis

Preston Davis, Superintendent

Preston has worked in the construction field for over 30 years. He is a seasoned Superintendent who has fulfilled many management positions while for working with various government entities. He excels in blueprint reading, scheduling, project coordination, and management. Preston has performed work for the VA, USACE, Department of the Army, Department of the Air Force and TVA (Tennessee Valley Authority).

Tom Tonn

Tom Tonn, Superintendent

Tom has worked in the construction industry for the last 22 years with ten years’ experience as a project supervisor. His knowledge and understanding of all aspects of construction have served him well in scheduling work, materials ordering, subcontractor relations, estimating, billing, and ensuring projects remain on time and budget.

Robert Richter

Robert Richter, Superintendent

Robert holds over 30 years’ experience in Construction as a Superintendent and Project Manager. He has experience in managing, bidding, organizing, and scheduling ground up new, single and multiple story construction. Robert’s primary focus is with medical facilities, industrial projects, and medical building renovation. He also has field engineering experience in project layout, topography alteration, and drainage control.

Karl Scherer

Karl Scherer, Superintendent

Karl’s experience includes 45 years in the construction industry and 17 years of supervision and management in occupied, functioning facilities throughout the eastern U.S. He has extensive experience in federal contracting and his knowledge, understanding, and leadership in this area is exceptional.

Joe Szerszen

Joe Szerszen, Superintendent

Over the last four decades, Joe worked his way up through the ranks of the construction industry. Today, he manages Valiant’s top projects. His expertise lies in healthcare, and he has completed projects such as a Linear Accelerator-Cyberknife, multi-story medical office buildings, a hospital addition with seven full functional surgical rooms, The Genoa Medical Center and most recently, the Upgrade Domestic Water project at the Indianapolis VA Medical Center. With each project, Joe provides the utmost in customer satisfaction by ensuring outstanding quality, high safety standards, and timely project completion.

Jack Chaillet

Jack Chaillet, Superintendent

Jack’s experience includes more than 15 years of supervision and management of U.S. government and medical projects in various locations. These projects have been in numerous functioning facilities for clients such as NIH, DoD, AFFRI, FBI, USACE and NAVFAC. Jack is extremely knowledgeable of federal contracting requirements.

Assistant Project Managers

Derek Rideout

Derek Rideout

B.S., Construction Management, Northern Kentucky University
Michael Frey

Michael Frey

M.S., Applied Engineering & Technology Management, Eastern Kentucky University
Chris Smith

Chris Smith

B.S., Construction Management, Eastern Kentucky University
Tobin Boomer

Tobin Boomer

B.S., Engineering & Management, Clarkson University


Tim Holloman

Tim Holloman, Chief Estimator

Tim Holloman has over 15 years of experience estimating, scheduling, value engineering, buy out and subcontract negotiation, project management, coordination and communication. His expertise, attention to detail and critical thinking are key when assessing bid options, developing approaches to estimates and value engineering. His exceptional organizational and communication skills are critical to the team and their success. Tim is responsible for all estimating, preconstruction scheduling and subcontractor development. His overall knowledge is highly valued and beneficial asset to Valiant.

B.S., University of Louisville

Jim Erhart

Jim Erhart

Senior Estimator
Aly Collings

Aly Collings

Proposal Specialist
Jason Marshall

Jason Marshall


Office Team

Lori Sears

Lori Sears

Document Controls Specialist
Nilsa Matos

Nilsa Matos

Certified Payroll Specialist
Travis Jones

Travis Jones

Bookkeeping Assistant
Connie Heelan

Connie Heelan

Certified Payroll Clerk
Janet Garr

Janet Garr

Office Administrator

Interested in Working With Us?

Click the link below to get started.

Careers »