Meet the Ally Team of Energy Industry Experts


Brian Walterbach

Chief Operating Officer, Founding Partner
Lenexa, KS

Brian is a true native in the energy solutions community. After graduating from Rockhurst University in 2006, he began working with Kansas City based American Energy Solutions, where he learned...

Shawn Rash

BEP, CEM, CEP, CDSM, NASCLA & ICC National Certified General Contractor

President, Founding Partner
Fredericksburg, TX

Shawn leads our Business Development team with his passion for service, an intuitive curiosity that allows him to see opportunities where others do not, and a remarkable...

Troy Moran

Executive Vice President, Founding Partner
Littleton, CO

Troy has been building and leading high-performing teams for over 30 years in the energy, lighting and electrical industries. Troy is currently responsible for the design, development and...

Raymond A. Pustinger


Chief Executive Officer
Carlsbad, CA

Ray has been building companies, relationships, and brands in the energy solutions industry since 1989, leading three different energy solutions businesses to scaled growth and sustained...

Shane Mathis

Chief Executive Officer, Ally RNG and Chief Strategic Officer, Ally Energy Solutions
LeCompton, KS

In his roles as CEO of Ally Renewable Natural Gas and Chief Strategic Officer of Ally Energy Solutions, Shane combines his desire to establish new revenue streams for farm...

John Mahoney

Director, Board Member
Loch Lloyd, MO

As a business builder, board member and a mentor, energy industry veteran John Mahoney is a key contributor to Ally’s business strategy and scale objectives. ..

Leadership Team

Erlan Rice

Vice President, Operational Technology Special Projects Group
Lenexa, KS

Erlan is a systems integration and process controls specialist with more than thirty years’ experience in the design and operation of electrical and electronics...

Troy Knight


Vice President, Distributed Energy Resources
Parkville, MO

With extensive experience in the electric utility and ESCO industries, Troy Knight is focused on team management and efficient project...

Ryan Kessler

Vice President, Operations and Construction
Boston, MA

With a long history of leadership and a track record of success in the energy industry, Ryan Kessler leads the Ally operations and construction teams in their implementation of...

Evan Bowers


Vice President, Applied Technology Group
Conway, AR

With a deep understanding of utility-side efficiency programs and years of project management experience, Evan brings a high level of insight...

Kevyn Smith

Vice President, Biogas & Industrial Gas
Houston, TX

Kevyn Smith grew up on a small hay farm in Appalachia that bordered the Great Smokey Mountains National Park. After completing his master's degree at North Dakota State University...

Tim Begnoche

Assistant Vice President, Client Services
Lenexa, KS

Tim combines his skills as an analyst and researcher with his interest in energy efficiency and sustainable business to effectively source and secure utility backed...

Joe Janes

Vice President, Key Accounts
Denver, CO

As a customer-focused and relationship-driven sales professional dedicated to fostering long-term business connections, Joe Janes is committed to the Ally philosophy which places...

Kyle Buffinton

Director, Industrial Controls
Shawnee, KS

Kyle leads the Ally team of system integrators in the design, development, and implementation of industrial automated control and data acquisition systems. Kyle has...

Henry Fox

Director, Mechanical Construction
Grand Junction, CO

After several months as a site superintendent and project manager, Henry Fox now serves as Ally’s Director of Mechanical Construction. Henry brings more than thirty years...

Chris Long

Director, Lighting & Electrical Construction
Denver, CO

Chris leverages his years of experience as a field electrician and electrical foreman to help implement industrial, manufacturing and distribution energy efficiency...

Fred Vergenz II

Director, Software Development
San Marcos, CA

Fred manages the teams responsible for next-gen supply and demand-side energy monitoring and analytics products. He is an expert with multiple programming languages...

Nathaniel Mart

Director, Project Development
Rochester, NY

With extensive lighting and mechanical experience, Nate collaborates with business development, applied technology, and lighting development teams to help Ally maintain its position...

Jim Booritch

Director, Commodity Strategy
New Smyrna Beach, FL

In his role as Director, Commodity Strategy and working closely with Ally CSO Shane Mathis, Jim applies his domain knowledge and experience to help shape Ally’s market approach and...

Applied Technology Group

Greg Stevens

Solutions Architect, Principal Engineer
Carlsbad, CA

Greg has specializations in cogeneration, waste heat recovery, energy storage, refrigeration and HVAC. With decades of experience developing demand-side...

Calvin Wohlert


Principal Engineer
Denver, CO

Calvin sets the standard for our process engineering, industrial refrigeration, cogeneration, and other complex solutions. Whether it is a CO2 conservation...

Jeremy Dillon


Energy Engineer
Little Rock, AR

Jeremy is a highly analytical performance-driven engineering professional tasked with identifying, developing and implementing energy efficiency projects...

Jackie Manatt


Energy Engineer
Fayetteville, AR

Jackie is a detail oriented Energy Engineer with years of experience identifying, implementing, and verifying energy efficiency projects...

Ross Smith

Electrical Mechanical Engineer
Wheat Ridge, CO

Ross brings more than a decade of experience in the design and installation of industrial power systems to his role as an Ally project manager. As an on-site supervisor and team leader...

Cliff Eubanks

Logansport, LA

With 27 years of experience in the lighting retrofit industry and millions of square feet of audited facility space under his belt, Cliff Eubanks is an expert at identifying the correct lighting solutions...

Dave Llewellyn

Senior Lighting & Controls Designer
Snoqualmie, WA

With over 30 years of experience in high-performance lighting and controls, Dave applies his professional experience and subject matter expertise to...

Hayden Murphy

Engineering Analyst
Grand Junction, CO

Hayden has a background in energy efficiency project implementation. As a student at Colorado Mesa University, Hayden researched and presented a large-scale...

Kayce Conville

Engineering Analyst
Conway, Arkansas

Kayce Conville is an engineering analyst specializing in calculations, modeling, and data analysis. With a background in applied physics and a talent for problem solving, Kayce...

Construction Management

Jeremy Anderson

Senior Project Manager
Kuttawa, KY

Jeremy has twenty-years of experience as an electrician, ten years of which have been spent implementing projects within the lighting retrofit industry....

Jeremy Calori

Master Electrician

Senior Project Manager, Electrical/Mechanical
Highlands Ranch, CO

With twenty-five years in the construction industry – thirteen of which have been spent right here at Ally Energy Solutions — Jeremy Calori...

Troy Weston

Senior Project Manager
Nashville, TN

Troy has decades of experience as an electrician and project manager and is an expert at minimal-impact lighting installation. As a project communication liaison...

Jeffrey Floyd

Senior Project Manager
Lenexa, KS

With a background in alternative transportation fuels and renewable energy, and years of experience helping companies migrate away from fossil fuel dependencies, senior...

Graig Robinson

Project Manager
Wylie, TX

With twenty years of experience in the manufacturing industry, Graig uses his extensive knowledge of plant operations, facilities management, and engineering...

Bryan Heiss

Project Manager
Ravenna, MI

Bryan joins Ally’s mechanical construction group with more than thirteen years of renewable energy experience. His background includes work with biomass plants, anaerobic digesters...

Jeffry Peters

Site Superintendent
Lenexa, KS

Jeffry has fifteen-years’ experience in the industrial electrical space. Throughout his career, he has worked as a superintendent, operations manager, estimator, and project...

Alec Johnson

Site Superintendent
Grand Junction, CO

Alec is responsible for project organization and status management. As the go-to help on permit expediting, proposal development and document...

Tanner Neil

Site Superintendent
Glendale, AZ

Tanner is responsible for managing Ally’s industrial manufacturing efficiency projects. In this capacity, Tanner helps ensure the adherence to all safety...

Scott Koch

Site Superintendent
Grand Junction, CO

Scott brings decades of experience in mechanical systems and processes to his role managing and organizing Ally project implementation. With field...

Ivan McClellan

Site Superintendent
Grand Junction, CO

Ivan is responsible for the day-to-day safety and jobsite efficiency for manufacturing facility retrofit projects. Providing oversight for both people and...

Marron Bartelamia

Project Administrator
Boston, MA

Marron supports Ally project management teams with expertise, collaborating with staff, vendors, subcontractors, and company stakeholders to keep projects organized and...

Operational Technology Special Projects Group

Justin Pajl

Process Engineer
Sioux City, IA

Justin has more than fifteen years of experience in electrical and mechanical engineering. As a process controls expert, Justin works with Ally team members...

Travis Williams

Process Engineer
Loveland, CO

As a former systems-engineer and director of electrical technologies, Travis Williams brings more than twenty-two-years’ experience in the fields of electrical automation design, industrial...

Industrial Controls

Jordan Edwards

Controls Engineer
Shawnee, KS

Jordan is responsible for the design and troubleshooting of control systems for some of Ally’s largest industrial manufacturing clients. Jordan has spent years...

Emanuel Torres

Controls Engineer
Independence, MO

Emanuel specializes in automation, with an extensive background in mechanical installations, upgrades, and troubleshooting. His controls expertise includes...

Lucas McKee

Field Engineer
Phoenix, AZ

Lucas specializes in on-site control systems commissioning, client software upgrade installations, client database management, and technical support. Lucas uses...

Levi Davison

Shawnee, KS

Levi brings years of experience in computer science and database management to the Ally system integration team. As a programmer, Levi specializes in the design...

Randy Daily

Systems Build Engineer
Olathe, KS

Randy helps the Ally integration and data solutions team create the frameworks that support and facilitate the deployment of portfolio-wide automated...

Corbin Miller

Client Services
Lenexa, KS

Corbin works with administration and accounting to prepare purchase orders, communicate with suppliers, maintain account records...

Client Services & Support

Mark Atkinson

Carlsbad, CA

With more than 25 years of experience as both a Financial and Administrative Controller working within the industrial manufacturing and energy solutions sectors, Mark understands the Ally...

Kris Martin

Accounting and Human Resources Manager
San Marcos, CA

Kris Martin uses her years of payroll and accounting experience in the renewable energy and professional services industries, to deftly manage Ally’s accounting...

Sally Meeker

Business Administrations and Accounts Manager
Temecula, CA

Sally Meeker is an Ally Energy accounts manager with nearly a decade of experience in operations and management in the industrial controls space. As an original team...

Dea Goldsmith

Brand Manager, Creative Director
Los Angeles, CA

Dea Goldsmith is an advertising creative and former agency owner and CCO, with B2B market specializations in clean energy products and IoT building...

Jessica Reed

Executive Administrator
Los Angeles, CA

Jessica is responsible for the setup and organization of many of Ally’s growth initiatives including new location launches, event coordination and logistics, and...