- Frederick SechlerPennsylvania Natural Heritage ProgramEnvironmental Review Specialist717-705-2819
- Jennifer SelfridgeMaryland Natural Heritage ProgramInvertebrate Ecologist(410) 827-8612 ext. 102
- Meredith SeltzerPennsylvania Natural Heritage ProgramForest Program Specialist(717) 787-7067
- Maddie SeveranceNew Hampshire Natural Heritage BureauAssistant Ecological Information Specialist(603) 271-0687
- Stephanie SeymourPennsylvania Natural Heritage ProgramEcological Information Specialist717-948-3842
- Cliff ShackelfordTexas Parks and Wildlife Department Wildlife Diversity BranchOrnithologist(936) 559-5795
- Katie ShannonArkansas Natural Heritage ProgramAssistant Data Manager/Environmental Review Specialist(501) 324-9617
- Pamela ShellenbergerPennsylvania Natural Heritage ProgramFish & Wildlife Biologist - Endangered Species(814) 234-4090 ext. 241
- Stephanie SheltonTexas Parks and Wildlife Department Wildlife Diversity BranchTXNDD Data Manager512-389-8723
- Nathan ShepardNorth Carolina Natural Heritage ProgramWestern Regional Field Biologist919-707-8629