Technologies

A flexible technology platform to meet your performance and net zero targets.

Our Commitment

At GranBio, community is not a checkbox. It is our purpose and our promise to stand alongside the people we serve.

Francisco Vasselucci
Leadership

Francisco Vasselucci

VP Commercial

Francisco Vassellucci serves as Vice-President Commercial at GranBio since 2019, bringing 35 years of leadership in biochemicals, commodities, and bioenergy. He has a strong track record of fostering relationships across diverse markets, including Latin America, North America, Europe, and the Middle East. 

In his current role, Vassellucci leads commercial strategy for 2G ethanol sales, technology licensing, and partnership development. Between 2019 and 2025, he also served as Interim CEO of GranBio LLC in the U.S., overseeing operations at the Thomaston biorefinery and spearheading strategic partnerships to expand market presence and drive revenue growth.

Vassellucci held executive roles at major international agribusiness and energy firms. For 15 years he led the development of the sugar and ethanol business in Latin America for Cargill, followed by a position as Commercial Director at Adecoagro, where he led business development for sugar, ethanol and energy products. He also served as Vice President of the International Division at Eco-Energy Inc., focused on global ethanol marketing and trading.

Vassellucci holds a Bachelor’s degree in Data Processing and Business from Mackenzie University, Brazil.

Meet GranBio's Leadership Team

Bernardo Gradin

Bernardo Gradin

Founder & Chairman, GranBio

Gradin founded GranBio in 2011 and serves as Chairman. He brings decades of leadership across engineering, petrochemicals, and industrial development. Gradin serves on the Board of GranInvestimentos Group and is a member of the superior council for innovation and competitiveness at FIESP.

Luiz Oliveira

Luiz Oliveira

CEO, Granbio USA and Board Member, GranBio Investments

Oliveira currently serves as CEO of GranBio. His career spans 40 years in Fortune 300 companies with a proven track record in leading P&L operations and global functions across diverse international markets.

Kim Nelson

Kim Nelson

CTO, GranBio U.S.

Dr. Nelson joined GranBio in 2007 and currently serves as CTO. She brings more than 20 years of experience in biorefinery, nanocellulose, and product development, and has led innovations resulting in more than 20 patents granted and 50 pending.

Adam Mathis

Adam Mathis

Fractional CFO, GranBio North America

Mathis joined GranBio as CFO in 2025, bringing extensive experience in finance and operations for high‑growth companies in bioproducts, pharma, and healthcare. He has successfully guided major capital events and acquisition processes.

Guilherme Refinetti

Guilherme Refinetti

Corporate Chief Financial Officer

Refinetti joined GranBio in 2011 and serves as Corporate CFO. He has over 20 years of experience in finance, having worked in leading companies in the oil & gas and pulp & paper industries. Refinetti has held multiple leadership roles across the GranBio Group, guiding financial strategy and supporting the company’s growth.

Ryan O’Connor

Ryan O’Connor

I.P. Counsel

Dr. O’Connor joined GranBio in 2017 and serves as IP Counsel. He has more than 25 years of experience in IP strategy, valuation, and monetization for multiple advanced bioenergy and technology companies, with a portfolio totaling more than 400 granted and pending patents.

Rita Rodrigues

Rita Rodrigues

Global Marketing & Communications Director

Rodrigues serves as Global Director of Marketing and Communications since 2025. She brings two decades of international experience with Fortune 500 and consulting firms leading initiatives that strengthen corporate reputation and support commercial growth.

Linda Moore

Linda Moore

VP Commercial & B.D. North America

Moore joined GranBio in 2025 and serves as VP of Commercial and Business Development for North America. She brings over 40 years of Fortune 300 experience in operations, sales, and commercial leadership, driving customer growth and long‑term contract negotiations.

Luiz Fernando Alves

Luiz Fernando Alves

Director of Operations, GranBio

Alves brings 35 years of leadership and execution expertise in the sugar and ethanol industry with a proven track record in large-scale industrial deployment. He joined GranBio in 2023 and serves as Director of Operations.

Ryan Zebroski

Ryan Zebroski

Engineering and R&D Director

Zebroski serves as Engineering and R&D Director since 2014 and has extensive experience in process & technology development, engineering, and operations within the biochemical and pulp & paper industries. He has led major initiatives in R&D and technology scale‑up.

Nathalia Fukuchi

Nathalia Fukuchi

Legal, Compliance and HR Director

Fukuchi joined GranBio in 2025 and serves as Legal, Compliance, and HR Director. She brings over 20 years of experience in governance, compliance, and international contracting, aligning legal and HR strategies to support business objectives.