| Abbreviation | Definition |
|---|---|
| ECI | Education Career and Immigration |
| ECIF | Early Career Innovation Fellowships |
| ECIN | Early Career Investigators Network |
| ECIP | Early Career Investigator Program |
| ECIS | Engineering Careers Information Service |
| ECLP | Early Career Leadership Programs |
| ECN | Early Career Network |
| ECO | Environmental Careers Organization |
| ECOP | Early Career Ocean Professionals |
| ECP | Early Career Professional |
| ECP | Early Career Psychologists |
| ECP | Executive Career Partners |
| ECPF | Early Career Policy Fellows |
| ECPS | Early Career Plant Scientists |
| ECPS | Educational and Career Positioning System |
| ECR | Early Career Researchers |
| ECR | Early Career Reviewer |
| ECRA | Early Career Research Awards |
| ECRC | Engineering Career Resource Center |
| ECS | Early Career Scientists |