Mark Garrison will lead SPI's marketing, sales, and membership services functions as SPI's first senior vice president of membership and business development. SPI President and CEO William R. Carteaux cited Garrison's "long history of experience" in plastics industry and 8+ years at SPI and also complimented his knowledge and background as "invaluable" to "keeping our trade shows and events fresh and up to date" as well as figuring out how to add value to SPI's membership and industry.