Bob Onyshko

 Bob has been co-chair of the marketing commit for 5 years. He has been with for Harsco for 10 years where he specializes in slag sales, agricultural lime sales, and sales to the mining industry for acid mine drainage remediation. Before Harsco he worked in the construction industry selling cement, brick, and construction equipment for over 30 years. Bob earned Masters Degree in Corporate Training and Business Development from Carlow University. He also has a BS in Secondary Education from Duquesne University. Bob is married with three grown children.

Mike Howarth

 Michael Howarth is currently employed by TMS International, a steel mill service provider, for the past 6 years.  He oversees and mages relationships with steel mills, state agencies, and road construction companies, focusing his efforts mainly on asphalt.

Michael has served at the Marketing Committee Co-Chair for the National Slag Association for the past 5 years. During his time in this position, he has advanced the Association by implementing and presenting a college speaker series on the advantages of slag aggregates that has been featured at several of the Nation’s top engineering schools.  He has also facilitated the creation of marketing materials, that not only professionalized the Association, but also increased attendance at the NSA’s Annual Conference over the past years, as well as assisting in the development of a new Association website.  Michael is also a currently serving on the Canadian Slag Association’s Board of Directors.