Nancy Mancilla
ESG Education, Strategy & Disclosure Leader
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About
I am an entrepreneur and consulting firm founder who is passionate about transparency, ethics and the implementation of responsible business practices as a means for new value creation.
In my capacity as a GRI Certified Training Partner, SASB and CDP Consultancy Partner, I have orchestrated hundreds of Certified Sustainability Reporting/ESG Disclosure trainings, taught MBA programs, and served as a speaker on the sustainability reporting process at major conferences and industry roundtables.
In addition to supporting our clients’ sustainability/ESG requirements, my extensive international experience includes leading numerous micro-economic development projects related to biodiversity, agronomics and renewable energy.
Specialties: Intercultural Relations; Sustainability/ESG Disclosure; External Assurance; Policy Development; Climate-related Risk Assessments and Transition Planning; Multi-Stakeholder Engagement; Education and Training.
Experience
Professional Experience
- Environ Energy, VP of Data & Reporting ⬦January 2025 - present
- NOTE: This is no different than the work performed for ISOS Group. It's just a transition related to the integration of our division to the larger Environ family following our acquisition in 2022.
- ISOS Group, Founder & President ⬦ 2008-2025
- Winrock International, Program Associate (Arkansas and the Republic of Georgia)⬦ 2005-2008
- Triodos Bank (Netherlands)⬦ 2004
- Arizona State University, School of Sustainability⬦Sustainability in the Global Context (Masters-level) ⬦ 2017 - 2021
- The New School of New York - Parsons School of Design⬦Sustainable Business Models (Masters-level) ⬦ 2018 - 2019
- Alliant International University, California School of Management & Leadership⬦Sustainable Business (Masters-level) ⬦ 2013 - 2015
Since establishing ISOS Group, I’ve managed to:
- Train more sustainability practitioners that any other GRI or CDP Training Partner globally
- Service a broad group of organizations along their ESG journey, such as 3M, American Water, AMN Healthcare, Carnival Corporation, CITGO, Compass Minerals, Duke Energy International, eHealth, HCP, Hertz, Humana, International Flavors & Fragrances, International Paper, James Hardie, Norwegian Cruise Company, Pattern Energy, Qualcomm, Sempra Energy, United Rentals, VIasat, numerous REITs and several other well-known brands
- Awarded the first sustainability-related project from the U.S. General Services
- Administration (GSA) in 2012 to help drive awareness of GRI and how specific key performance indicators (KPIs) could inform their supply chain standards
- Provided a tailored training to U.N. agencies in 2014 on GRI and the alignment to the U.N. Greening the Blue Programme, the World
- Bank, IFC, IBRD and UNDP reporting efforts
- Stimulated discourse in Romania per larger E.U. agenda and international development funding requirements
- Launched GRI, CDP and trainings in SubSahara Africa
- Ushered in a series of practitioner-focused linkage documents demonstrating the alignment between GRI, AASHE, the EEIC, LEED, SASB and the U.S. Executive Order 13514 (later revised to 13693)
- Implemented IPMA- Sustainability Project
- Management courses aligned to the UNGC and SDGs
- Provided assurance to numerous companies on their ESG measures following AA1000AS, SA8000 and ISO 14064-3
- Developed and delivered a series of online trainings to the World Bank
- Group in 2016 aimed at applying reporting practices within their public policy formulation, governance and anti-corruption practices
Education
Higher Education
- MA in Public Service; Sustainability Focus ⬦2006 ⬦ Clinton School of Public Service
- MA in International Relations; Post-Conflict Development Concentration ⬦ 2002 ⬦University of Amsterdam
- BA in International Relations; Environmental Studies Minor ⬦ 1999 ⬦ U.S. International University
As a lead trainer for several global standards, I maintain up-to-date licenses for the following:
- TCFD Learning Modules
- GRI Certified Trainings
- CDP Certified Training
- CSRD Fundamentals

