2019 CEPA Board of Directors

Ben Tuthill | President | Benesch 
Dan Beaver | Vice President | Colorado Hazard Control LLC
Jeff Kirtley | Treasurer |RLH Engineering, Inc.
Rob Schimberg | Earth Services and Abatement, Inc.
Steve Morrow | Risk Removal, Inc.
Brandon Sinkbeil | DS Consulting, Inc.
James Devalois | Kemwest
Bonnie Begert | Boulder Valley School District
Kory Mitchell, Past President, Earth Services & Abatement
Debra Scifo | Executive Director


Benjamin (Ben) Tuthill | CEPA President

Ben graduated from the University of Vermont in 2000 with a degree in Environmental Science. He has 15 years of experience (12 years with Benesch) serving client’s environmental needs. He is responsible for project management, building inspections for hazardous and regulated materials, project documentation and report generation for asbestos, lead-based paint, bioaerosols (mold), radon and other environmental consulting services.

Prior to working at Benesch, Ben worked for Impact Environmental in New York performing Environmental Site Assessments, Phase I and Phase II investigations. Ben also performed subsurface investigations utilizing ground penetrating radar and Direct Push (Geoprobe) sampling for underground storage tanks (USTs), petroleum products and industrial solvents.


  • 40 Hour HAZWOPER
  • EPA/AHERA Building Inspector/Management Planner
  • EPA/AHERA Project Designer
  • Colorado Asbestos Building Inspector/Management Planner
  • Colorado Project Designer
  • Colorado Air Monitoring Specialist
  • Nebraska Building Inspector
  • Nebraska Project Designer
  • EPA Lead Risk Assessor
  • Colorado Lead Risk Assessor
  • Nebraska Lead Risk Assessor

Dan Beaver | CEPA Vice President
Colorado Hazard Control LLC

Dan Beaver is a co-owner of Colorado Hazard Control, LLC. (CHC). CHC is a family owned environmental contractor handling asbestos, lead and mold remediation projects, as well as demolition services and radon mitigation. CHC is also State and EPA approved training entity providing certifications in the above industries and compliance training as needed for OSHA compliance. CHC has been in business for 9 years with offices in Denver and Pueblo, Colorado. Dan has over 25 years’ experience in the construction and environmental field and has worked for Denver Public Schools -- Managing their asbestos program, and three large environmental contractors including the positions of Senior Project Manager, Safety Director, Division Manager and Branch Vice President. Dan was in the construction trades for approximately 7 years performing framing, exterior trim, drywall installation and cabinet making. Dan is a board member with CEPA and is a State approved training instructor for most of the AHERA disciplines and the EPA lead disciplines.

Jeff Kirtley, LEED AP | CEPA Treasurer
RLH Engineering, Inc.

Jeff is a Sr. Project Manager/Partner at RLH Engineering. A University of Northern Colorado graduate (Environmental Sciences B.A., 2000), Jeff began his career at RLH in 2001 and became a Partner with the firm in 2015. Jeff divides his time between the firm’s environmental consulting and owner’s representative/construction management projects.   He has gained depth of technical and professional experience in the firm’s asbestos, hazardous/regulated materials and abatement/demolition project services, providing building inspections, abatement/demolition project design/management, air monitoring, and Phase I/II Environmental Site Assessments.   Jeff is certified/accredited in CO as Asbestos Building Inspector, Project Designer and Air Monitoring Specialist and is a USGBC LEED Accredited Professional. Jeff has served on the CEPA Board of Directors since 2012.   

Rob Schimberg
Earth Services & Abatement, Inc.

Mr. Schimberg has over 20 years of experience in the Environmental Services Industry, as well as experience in General Construction, Demolition, Renovation, Waste Management, Hazardous Materials Packaging, Transportation, and Soil Remediation. Rob joined ESA in 2017 as Director of Operations.  Rob’s experience in working with Federal, State, and Municipal agencies will help to move Excel forward with new business venture strategies in those sectors. Rob also has a large depth of experience in working Emergency Response Management Teams for Asbestos, Lead, Mold and Hazardous Materials. Education BA Chemistry Marquette University 1993

Bonnie Begert
Boulder Valley School District


Steven B. Morrow
Risk Removal, LLC

Steven is the President and Owner of Risk Removal, LLC.  In his role as President, Steven provides overall general and financial management of the company and directs the management team in executing asbestos, lead, mold, and various other hazardous materials remediation projects for public school districts, universities, commercial, industrial and residential building owners. 

Steven earned a B.S. in Industrial Engineering from Texas Tech University and an MBA from Duke University.  He is a Certified Asbestos Project Designer and is certified in EPA Lead Renovate, Repair and Painting (RRP) and Hazardous Waste Operations and Emergency Response (HAZWOPER).  Steven become a CEPA board member in 2015.

Brandon Sinkbeil
DS Consulting, Inc.

Brandon grew up in western Montana and attended the School of Mines in Butte and the University of Montana, earning degrees in Society and Technology, English Literature, and German. After spending a couple of years in Europe, he moved to Colorado in 2005 and became a founding partner of DS Environmental Consulting. Brandon is tasked with business development and overseeing the day-to-day operations of a family-owned, full-service environmental consulting firm.


James Devalois

Kory Mitchell, CEPA Past President Earth Services & Abatement

Mr. Mitchell has 25 years of experience in the environmental remediation and demolition fields.  Today he serves as President and co-owner of Earth Services & Abatement (ESA), Inc. Kory grew up in the abatement business and has been involved in ESA’s growth since the early 90s.  Today, ESA has over 140 employees and works in over 30 states, specializing in asbestos abatement, contaminated soil remediation, and demolition.

Education:  M.A. Political Science, Northwestern University, US Fulbright Scholar, Belgium, B.A. Morningside College, Sioux City, Iowa

Debra Scifo | Executive Director

Debra is a managing partner of OBS Consultants, providing business development and organizational strategies to small to medium sized businesses. Debra has spent the last 20 years working with not for profit Board of Directors to develop value and grow resources for their representative industry and memberships. I believe that delivering the tools business needs is best accomplished through a trade association, they are the best community to deliver resources, benefits and services to the industry they represent.

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