Contact a member of PPI’s Management Team, or get in touch with PPI at any one of our four Office Locations in Springfield, Branson, and Joplin, Missouri, and Tulsa, Oklahoma.  

PPI Management Team

• Mr. Brad R. Parrish, P.E., President   [email]
• Mr. Brandon R. Parrish, P.E., Vice President – Engineering  [email]
• Dr. Erin Parrish, PhD, Vice President – Administration   [email]
• Ms. Rachel J. Goeke, P.E., Client Services Manager   [email]
• Mr. Shane Rader, P.E., Drilling Services Manager   [email]
• Mr. Don Nowack, P.E., R.G., Environmental Services Manager   [email]
• Mr. Mike Foley, Construction Materials Testing Manager   [email]
• Mr. Jeremy Mitchell, Branson Laboratory Manager [email]
• Mr. Rick Hundley, Joplin Laboratory Manager [email]