INTERNATIONAL SILO ASSOCIATION - Key Persons


Bruce Johnson - President

Job Titles:
  • Administrator
  • President

Elmer Gingrich

Job Titles:
  • Member of the Board

Marvin Reiff

Job Titles:
  • Member of the Board

Paul Antonou

Job Titles:
  • Secretary
Paul Antonou has worked in the silo industry for over 25 years. He was hired by Demuth Steel Products in April 1987 as the plant foreman at Schiller Park, IL. Paul's knowledge and experience of the tower silo industry and farmstead automation equipment has been of great value to their customers. He is presently plant manager at DeMuth Steel Products at Rockford, IL. Paul has been active in the ISA for over 20 years. Paul and Kathleen have been married 40 years and have 2 daughters and 2 grandsons. He enjoys hiking, camping, canoeing, and horseback riding.

Randy Gayman

Job Titles:
  • Member of the Board
In 1984, Randy started working at Sollenberger Silos Corp., as parts and service manager, while still farming. After 3 years of doing both, he went full time with Sollenberger Silos in 1987 as parts and service manager. In 2005, he purchased the parts and service division, renaming it Synergy Ag Service, LLC. In 2007, he purchased the poured silo division, renaming it Sollenberger Silos, LLC. Randy and wife Lois have 3 children and 11 grandchildren…..so far. All of them come home once a week for food and table games. Randy has taught Sunday School and has been involved with the youth for over 35 years. Randy's hobbies include playing squash, basketball, softball, ping pong and golf.

Russ Koch

Job Titles:
  • Member of the Board

Steve Lazorcik - Treasurer

Job Titles:
  • Treasurer