Built by Investors. Trusted by Allocators and Fund Managers

Built by Investors. Trusted by Allocators and Fund Managers

Who we are

Who we are

As the impact investing sector grows, asset owners, advisors, and allocators are demanding greater clarity, accountability, and rigor. The field continues to seek credible, consistent, and financially relevant standards—tools that mainstream investors expect from any investment strategy. IEL fills this gap.

We created the Impact Authenticity Score (IAS) and the Impact Navigator to verify the authenticity and effectiveness of impact funds and make high-integrity strategies easier to identify, evaluate, and support.

Our work is grounded in decades of experience across finance, entrepreneurship, and impact investing—and in the belief that scalable, systems-level change will only come when private capital is mobilized at scale with purpose and accountability.

Just as traditional capital markets evolve through standardization and shared language, impact investing must now mature into a trusted part of the financial mainstream. IEL accelerates that shift by equipping institutional investors with the tools they need to fulfill their fiduciary responsibilities while advancing meaningful, measurable impact.

Why Now?

Why Now?

Impact investing stands at a critical inflection point.

Impact investing stands at a critical inflection point.

Impact investing stands at a critical inflection point.

Impact investing is growing fast. Trust isn’t.

Confusing terminology, vague claims, and inconsistent standards have slowed momentum and limited capital—just as regulatory scrutiny is rising.

This creates opportunity.

Institutional investors, family offices, and forward-looking asset managers are stepping up with private capital, long-term strategies, and a clear demand for measurable results.

IEL brings discipline to impact.

We provide the tools that deliver clarity, transparency, and rigor—so impact investing can meet the expectations of global finance.

The next wave of impact investing will succeed where ESG fell short.

Not by chasing trends, but by delivering verifiable outcomes. Impact can scale—but only if it earns trust. That’s why IEL exists.

What We're here to do

What we're here to do

Mission Statement

We help mission-aligned investors drive capital toward the greatest possible impact. Our work brings transparency, accountability, and clarity to the impact investing space.

Our Vision

A world where capital flows toward outcomes—not just intentions.

What we believe

We believe in capitalism

Solving the world’s greatest challenges requires mobilizing private capital at market rates and at scale. Philanthropy, catalytic capital, and the public sector all play vital roles — but alone, they aren’t enough. To match the magnitude of global needs, capitalism remains the most effective engine for solutions.

We believe in acting conscientiously

Our work — and the investments we support — must remain accountable to people, the planet, and purpose. Responsibility is not a layer on top of investing; it is the foundation.

We believe in good intentions, but that’s not enough

Goodwill alone can’t justify an investment. Impact must be authentic, measurable, and verifiable. This is what drives real progress — and earns lasting trust.

We believe in rigor

Impact performance deserves the same discipline that governs financial performance. IEL brings the language, transparency, and analytical standards of capital markets.

We believe in standardization and trust

As impact investing reaches a critical inflection point, trust will define its future. We need tools and standards that verify what’s real, challenge what’s not, and strengthen confidence across the market. That is IEL’s mission.

Our Founders

Our Founders

TERRENCE KEELEY

Chief Executive Officer

In addition to his work at IEL, Terry is the CEO of 1PointSix LLC, an advisory firm he founded to help institutional and high net worth investors optimize the amount of impact in their investment portfolios. He is the author of a new, widely acclaimed book on stakeholder capitalism and ESG investing, SUSTAINABLE: Moving Beyond ESG to Impact Investing, published by Columbia University Press. View more


TERRENCE KEELEY

Chief Executive Officer

In addition to his work at IEL, Terry is the CEO of 1PointSix LLC, an advisory firm he founded to help institutional and high net worth investors optimize the amount of impact in their investment portfolios. He is the author of a new, widely acclaimed book on stakeholder capitalism and ESG investing, SUSTAINABLE: Moving Beyond ESG to Impact Investing, published by Columbia University Press. View more


ROBERT BROWN

Chief Research Officer

In addition to his work at IEL, Rob is a Senior Fellow at the Sorenson Impact Institute at the David Eccles School of Business at the University of Utah, and an editor at ImpactAlpha.  Previously, Rob was the Senior Partner at Atlas Impact Partners, an investment firm he founded to pursue a mandate strictly focused on high impact investments solving the world’s most challenging problems. For more than three decades, he has been an Economist, Research Director and Portfolio Manager on Wall Street. View more


Rob was Head of Research at JUST Capital, Senior Portfolio Manager for AllianceBernstein Equity Strategies, and Managing Director and Head of Equity Research for Nomura Securities International. Earlier, he worked at Morgan Stanley in various global senior leadership roles where he was last responsible for the Global Macro Research team. Rob is a global thought leader on matters of impact measurement, metrics and data standards; lectures at Columbia University Business School and writes for Impact Alpha.


ROBERT BROWN

Chief Research Officer

In addition to his work at IEL, Rob is a Senior Fellow at the Sorenson Impact Institute at the David Eccles School of Business at the University of Utah, and an editor at ImpactAlpha.  Previously, Rob was the Senior Partner at Atlas Impact Partners, an investment firm he founded to pursue a mandate strictly focused on high impact investments solving the world’s most challenging problems. For more than three decades, he has been an Economist, Research Director and Portfolio Manager on Wall Street. View more


Rob was Head of Research at JUST Capital, Senior Portfolio Manager for AllianceBernstein Equity Strategies, and Managing Director and Head of Equity Research for Nomura Securities International. Earlier, he worked at Morgan Stanley in various global senior leadership roles where he was last responsible for the Global Macro Research team. Rob is a global thought leader on matters of impact measurement, metrics and data standards; lectures at Columbia University Business School and writes for Impact Alpha.


MAREN KEELEY

Chief Operating Officer

A repeat founder with deep expertise in operations, strategy, finance, and organizational leadership, Maren brings a future-focused lens to building systems that work—for people, planet, and business. In addition to her work with IEL, she is the founder of Handprint.io, a values-based hiring platform that connects people to career opportunities at impact companies using the science of engagement. View more


Previously, Maren co-founded Conscious Company Media, where she and her team elevated stories of business as a force for good through a nationally distributed print magazine, digital media, podcasts, webinars, and events (exit in 2018). She served on the board of the American Sustainable Business Network (formerly Social Venture Circle) from 2017 to 2020, and her graduate research at B Lab US focused on certification adoption and engagement. Her work is grounded in a belief that business—and capital—can be powerful tools for reshaping systems, building wealth more equitably, and addressing the world’s most urgent challenges.


MAREN KEELEY

Chief Operating Officer

A repeat founder with deep expertise in operations, strategy, finance, and organizational leadership, Maren brings a future-focused lens to building systems that work—for people, planet, and business. In addition to her work with IEL, she is the founder of Handprint.io, a values-based hiring platform that connects people to career opportunities at impact companies using the science of engagement. View more


Previously, Maren co-founded Conscious Company Media, where she and her team elevated stories of business as a force for good through a nationally distributed print magazine, digital media, podcasts, webinars, and events (exit in 2018). She served on the board of the American Sustainable Business Network (formerly Social Venture Circle) from 2017 to 2020, and her graduate research at B Lab US focused on certification adoption and engagement. Her work is grounded in a belief that business—and capital—can be powerful tools for reshaping systems, building wealth more equitably, and addressing the world’s most urgent challenges.


Meet the Team

Meet the Team

Henk de Jong

ADVISOR

Jose Luis Peña te Winkel

ENGINEERING LEAD

Andy Proehl

PRODUCT & DESIGN LEAD

Sudha Bharadi

IMPACT GROWTH CATALYST

Nicole Rizzuti

PRODUCT & CUSTOMER LEAD

Caroline Keeley

SENIOR OFFICER STRATEGIC RELATIONSHIPS

Tomas Woodward

BACKEND DEVELOPER

Eileen Flanagan

RESEARCH ASSOCIATE

Sonia Amoros

ASSISTANT PRODUCT MANAGER

Joaquín Alban

RESEARCH ASSOCIATE

Chris Orta-Carrillo

RESEARCH ASSOCIATE

Celeste Ganderson

RESEARCH ASSOCIATE

Elena Ibach

RESEARCH ASSOCIATE

Lauren Weniger

RESEARCH ASSOCIATE

Banks Rafool

RESEARCH ASSOCIATE

Key Partners

Key Partners

Stay in Touch

(c)2026 Impact Evaluation Lab

info@impact-eval.com

Stay in Touch

(c)2026 Impact Evaluation Lab

info@impact-eval.com

Stay in Touch

(c)2026 Impact Evaluation Lab

info@impact-eval.com