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Course Facilitators

Meet Our Course Facilitators


Greg Menen, Executive Vice President, Gayanga Company

Greg Menen is currently the Executive Vice President for Gayanga Company out of Detroit, Michigan for demolition, environmental, and construction services while also supporting large engineering firms for demolition and scrap related means, methods, and activities. He has been in the construction industry for 30 years and specifically in demolition remediation for 25 of those years. Greg has served as a V.P, Director, Chief Estimator, Project Manager, and Branch Manager. He's been involved in the demolition of all aspects of projects from residential, commercial, industrial, and nuclear operations. His experience includes working with both private clients as well as Fortune 500 corporations, engineering firms, and multiple government branches.

Greg has developed his skills in the area of safety and has served as Corporate Safety Officer for multiple firms during his career. He's an instructor in multiple fields including HazWoper, OSHA 500, Confined Space, Fall Protection, Lead and Excavations. He has completed multiple accident investigations and has negotiated with OSHA regarding fines and citations. Greg is a Registered Environmental Assessor (REA) for the state of California and holds a General Contracting License and a Demolition Specialty License in the state as well.

Greg graduated from California State Polytechnic University in Pomona with a BS Degree in Construction Engineering and Management. He has been President of the local Southern California Chapter of the National Demolition Association and is currently serving a second term as an NDA Board Member. Greg has written a number of articles for NDA's Demolition Magazine and has recently authored an article in Natural Gas and Electricity titled "How to Maximize Your Scrap Material for a DDD Project". He's spoken at several events including the Mining Association, NDA's Annual Convention, EUEC and the EUCI Summits and has served as a facilitator for several classes of the NDA Foundation of Demolition Management Certificate Program. 

Tim Barker, D4 Program Director, AECOM

Tim Barker is the Program Director of Decommissioning, Deactivation, Decontamination and Demolition Services (D4) for AECOM in Atlanta, Georgia. He manages the worldwide Demolition Center of Excellence as the AECOM Technical Practice Group (TPG) leader. AECOM is one of the leading design, engineering and construction companies and the number one, largest, worldwide provider of nuclear and non-nuclear decommissioning services. 

 Tim developed most of his skills with practical field experience staring as an Assistant Foreman, otherwise referred to as Lead Demolition Laborer.  He then worked as an Asbestos Abatement Lead and HazWoper Technician.  Over the years, he moved into the roles of Superintendent, Senior Project Manager, Senior Estimator, and Operations Manager/VP for several of the largest and most reputable demolition and remediation companies in the world. As a business owner, he held several General Contracting licenses and focused exclusively on the most physically, technically and environmentally challenging demolition projects and programs. 

This led Tim to his current position with AECOM. As he puts it, “If you can’t beat them, join them.” His extensive leadership skills and experience has allowed him to be in team leadership roles on billion dollar non-nuclear Decommissioning and Demolition programs. Tim exclusively uses NDA members in the US and writes this into the source selection process for his clients due the great value the NDA has been to him in his personal growth and success over the last thirty years.  

Steve Schwartz, Estimator & Project Manager, Haines & Kibblehouse, Inc.

Steve Schwartz has 40-plus years of experience within the demolition and remediation industries. He has come up through the field as a clerk, superintendent, project manager, and transitioned to the office as an estimator and manager. He has managed and estimated projects including retrofitting automotive plants; demolishing chemical, explosive, nuclear reactors, refineries, and hi-rise buildings; standard demolition; and environmental projects. Steve also currently serves as the National Demolition Association Education Committee Chairman and as a member of the Board of Directors. 



Are you interested in serving as a Course Facilitator for the Foundations of Demolition Project Management series? Please contact Lindsey Sullivan, NDA Education Manager, at education@demolitionassociation.com. 


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