2018 membership for IPPG
| Marc Adams |
| Jean Agnew |
| Laura Arick |
| Nancy Bailey-Pratt |
| Sanjaya Bandaranayake |
| Terry Bateman |
| Roben Bellomo |
| Stephanie Bolinger |
| Sweela Bolinger |
| Terri Bostrom |
| Sarah Bradley |
| Ellie Brown |
| Richard Bryant |
| Monroe Bush |
| Michael Camp |
| Ken Cave |
| David Chan |
| Sonja Clark |
| Ashley Clauss |
| Rick Collins |
| Sarah Crail |
| Joe DeFabis |
| Iseult-Line Delfosse |
| Emily Deneve |
| Rad Drew |
| Diana Dyer |
| Terra Dyer |
| Malcom Fancher |
| Eddie Ferguson |
| Todd Fuqua |
| Tony Gardner |
| Adam Gibson |
| Mark Grabhorn |
| Thomas Graham |
| Barbara Grimball |
| Ray Grimball |
| Christopher Gronde |
| Marvin Groves |
| Deanna Guerri |
| Sue Hardesty |
| Andrea Hartstein |
| Andrew Hoffman |
| Lisa Jamison |
| Robin Jones |
| Jj Kaplan |
| Rusty Keen |
| Sonya Keener |
| Kenneth Keifer |
| Don Kenworthy |
| Ed Lausch |
| Jesse Li |
| Alan Lindsey |
| Julie Marchese |
| Mary McClung |
| Dave McKenna |
| Christine Merchent |
| Eric Meyer |
| Bill Miller |
| Diane Miller |
| Melissa Morgan Wagley |
| Linda Oldiges |
| Sarah Parent |
| Linda Pasch |
| Scott Peil |
| Robert Phillips |
| Bashir Polash |
| Brad Poreda |
| Gary Potts |
| Rick Pranitis |
| Robb Quinn |
| Cynthia Rauch |
| Tanya Reeder |
| Amanda Renzulli |
| Donna Rice |
| Mark A. Rice |
| Rand Rindels |
| Cate Robeson-Pickens |
| Crystal Rogers |
| Jennifer Root |
| Brent Russell |
| Tim Schumm |
| Rona Schwarz |
| Timothy See |
| Kip Shawger |
| Jamie Simpson |
| Ruth Slabach |
| Suzanne Stark |
| Donna Stevens |
| Ed Stewart |
| Lois Talley |
| Abbie Thomas |
| Randall Todd |
| Rick Trost |
| Tony Valainis |
| Rich Voorhees |
| Ardath Waller |
| Rich Walton |
| Karen Weatherwax |
| Cheryl Weldon |
| Tyson White |
| Mike Whitman |
| Christopher Williams |
| Bill Wills |
| Judy Wilson |
| Lester Wilson |
| Max Winebrenner |
| Wilma Woodruff |
| Stacy Workman |
| David Zoller |