PROSOCO Hires Sales Managers Words: Dan Kamys PROSOCO Hires Sales Managers ???? ?? Dane Olson Gary Dave Pennington Dane Olson and Gary Dave Pennington have joined PROSOCO as sales managers for the company’s West Coast and South Central sales regions. Before joining PROSOCO, Olson served as a sales representative and eastern expansion manager for Pacific Polymers in Garden Grove, Calif., a manufacturer of waterproofing and damp-proofing products. Pennington served 18 years as a sales representative and branch manager for SSI (Silicone Specialties Inc.) in Houston. PROSOCO’s West Coast region includes Arizona, California, Nevada, New Mexico, West Texas and Hawaii. The South Central region includes New Mexico, Oklahoma, Texas – north and west of Austin and San Antonio, and Louisiana.