Who We Are

Certis Global is a sustainability and impact advisory firm that helps organizations translate global sustainability goals into practical strategies and measurable results.

We are a Nigeria-Based Firm with a Global Outlook

Our mission is to help clients integrate sustainability and climate risk into decision-making—improving resilience, access to finance, regulatory readiness, and long-term profitability.
We accelerate Nigeria's low-carbon transition through world-class advisory, technical expertise, and climate finance solutions.
Our goal is to build a practical, indigenous sustainability firm that transforms ESG from compliance into business value.

Expertise
ESG Leaders

Driving sustainable change across emerging markets with precision and purpose.

Our Team

The Leadership Team

Meet the experts driving innovation, sustainability, and impact across global markets.

Olivia Rhye

Founder & CEO

Former co-founder of Opendoor. Early staff at Spotify and Clearbit.

Phoenix Baker

Engineering Manager

Lead engineering teams at Figma, Pitch, and Protocol Labs.

Lana Steiner

Product Lead

Driving product innovation across sustainability platforms.

Why Our Approach Works

We help organizations, industries, and governments operationalize and comply with emerging sustainability standards through practical, data-driven strategies.

Impact Driven

Focused on outcomes that matter most for your business and the world.

Evidence Based

Our recommendations are backed by data and rigorous analysis.

Practical

Actionable advice that takes into account operational realities.

Collaborative

We work as an extension of your team, ensuring knowledge transfer.

Be a part
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