Quadros Bio

Our Team

The people behind Quadros Bio.

A small team that combines deep applied science, Brazilian and North American networks, and direct commercial experience in agricultural biologicals.

Core Team

Quadros Bio Inc.

Patrícia Dörr de Quadros, PhD

Patrícia Dörr de Quadros, PhD

Founder and CEO, Quadros Bio Inc.

Dr. de Quadros is a Brazilian soil microbiologist whose career spans soil biochemistry, bacterial genomics, plant and soil microbiome, and biological R&D and commercialization. Born and trained in Brazil, connected with several Brazilian Federal Universities, Embrapa, and research networks, she has navigated several collaborations with Canadian, American, European, and African academic and industrial partners.

Dr. de Quadros is the founder of Quadros Bio Inc., her fourth startup, which she built with all accumulated experience and systems-thinking skills. Quadros Bio provides science-based risk intelligence for high-stakes decisions across the agricultural biologicals investment ecosystem.

Kelly Justin da Silva, PhD

Kelly Justin da Silva, PhD

Managing Director, Brazilian Network

Dr. da Silva is a Brazilian agricultural microbiologist whose research spans plant and soil microbiome, plant growth promoting microbes, and biological product development, with consistent focus on the microbe, soil, and plant relationship as a system. She holds a PhD in Plant Genetic Resources (UFSC), an MSc in Agricultural Microbiology (USP), and a BSc in Agronomy (UFRGS), with postdoctoral programs at UFPR, UFSC, and Centro Universitário Católica de Santa Catarina.

Dr. da Silva serves as Managing Director of the Quadros Bio Brazilian Network. She leads operations across Brazil: identifying and qualifying biotechnology companies, building academic and institutional partnerships, and connecting Brazilian agbio innovation to North American capital.

Camille de Quadros

Camille de Quadros

Business Development Associate

Camille de Quadros serves as Business Development Associate at Quadros Bio, where she leads first-line client engagement across the company's North American outreach: qualifying inbound interest, coordinating discovery conversations, and shepherding prospective partners through the early stages of the QBIView validation pathway. She brings more than two years of business development experience in the agricultural biologicals sector, with hands-on fluency in CRM and pipeline tools (HubSpot, Pipedrive, Slack) and a track record of client research, outbound outreach, and customer relationship management.

Trilingual in English, Portuguese, and Spanish, she supports outreach across both Quadros Bio's North American market and its Brazilian Network. Camille is completing her final year at McMaster University, pursuing a Bachelor's degree with Honours in Justice, Political Philosophy and Law.

Advisors and Counsel

External advisors who support specific engagements.

Advisors and counsel are not Quadros Bio Inc. employees. They provide independent expertise on specific matters connected to our engagements.

Thiago Alfama

External Counsel

Thiago Alfama

Legal Counsel (Brazil)

Thiago Alfama is a Brazilian business lawyer and partner at Alano e Alfama Sociedade de Advogados (OAB/RS no. 78.446), with more than 15 years of practice in corporate, tax, contractual, labour, and banking law. He provides strategic legal counsel oriented toward risk prevention and sound decision making for clients operating in complex regulatory environments.

He holds a Bachelor of Laws from Centro Universitário Ritter dos Reis (UNIRITTER), with postgraduate specializations in Tax Law (Instituto Brasileiro de Estudos Tributários, IBET) and Labour Law (Faculdade Verbo Educacional). At Quadros Bio, he supports the company on Brazil-side contractual, corporate, and cross-border matters connected to the Brazilian Network.

Confidential by default. Not sold. Not published. Not shared without permission.

Work with us

Talk to the people who will actually do the work.

Every Quadros Bio engagement is led directly by Dr. de Quadros, supported by the right specialists for your specific question.