- Hereby Certifies ThatEsteban VillegasHAS BEEN FORMALLY EVALUATED AGAINST GPM STANDARDS FOR DEMONSTRATING KNOWLEDGE EXCELLENCE IN GREEN PROJECT MANAGEMENT® AND IS HEREBY BESTOWED THE INTERNATIONAL CREDENTIALCertified Green Project Manager, GPM-b™IN TESTIMONY WHEREOF, HAVE SUBSCRIBED OUR SIGNATURE AND SEALGPM-b Number223181Date of AchievementJuly 11, 2025Date of ExpirationJuly 10, 2030William Duncan GPM Certification Board ChairDr. Joel B. Carboni Founder and Presidentwww.greenprojectmanagement.org


Hereby Certifies That
Esteban Villegas
HAS BEEN FORMALLY EVALUATED AGAINST GPM STANDARDS FOR DEMONSTRATING KNOWLEDGE EXCELLENCE IN GREEN PROJECT MANAGEMENT® AND IS HEREBY
BESTOWED THE INTERNATIONAL CREDENTIAL
Certified Green Project Manager, GPM-b™
IN TESTIMONY WHEREOF, HAVE SUBSCRIBED OUR SIGNATURE AND SEAL
GPM-b Number
223181
Date of Achievement
July 11, 2025
Date of Expiration
July 10, 2030


William Duncan
GPM Certification Board Chair
Dr. Joel B. Carboni
Founder and President

www.greenprojectmanagement.org
Esteban Villegas
The Certified Green Project Manager – Basic (GPM-b) is the foundational, knowledge-based certification that supports the commitment of those in project management to maximize sustainability within the project lifecycle, to improve the construct and delivery of goods and services produced as project deliverables, and to use measurable standards to consider and account for environmental impacts in projects.
The GPM-b certification is the first project management credential for individuals to demonstrate their knowledge in delivering projects using sustainable methods.
Skills / Knowledge
- Project Management
- Sustainability
- Leadership
- Risk Management
- Sustainability Management Planning
- ESG Leadership
- Regenerative Methods
Issued on
July 11, 2025
Expires on
July 10, 2030