CLAIRE O'SULLIVAN

Personal Experience & Biography

Claire O'Sullivan is the Director of Partner Relations for Fissionaire, bringing a diverse international background spanning aerospace, telecommunications, mining, oil & gas, and advanced energy. Throughout her career, she has built trusted relationships with executive leaders, engineering teams, government stakeholders, investors, and strategic partners across multiple continents and industries.

Known for connecting people, organizations, and opportunities, Claire combines business development expertise with a deep understanding of complex technical environments. Her experience working across North America, Europe, Africa, Southeast Asia, and Australia has enabled her to successfully navigate diverse cultures, align stakeholder interests, and foster long-term strategic partnerships.

At Fissionaire, Claire focuses on strengthening relationships across the advanced nuclear ecosystem—helping connect industry leaders, investors, regulators, research organizations, and technology partners to accelerate the deployment of next-generation energy solutions.

Leadership Strengths

Two decades of partnership and business development across aerospace, telecom, mining, oil & gas, and advanced energy

Trusted advisor to executive, engineering, and government stakeholders on complex technical deals

Cross-cultural fluency from living and working across five continents

Skilled at aligning commercial, engineering, and operational teams around shared outcomes

Partner Relations Experience

Managed relationships with Boeing, Honeywell, L3Harris, Vodafone, Telstra, Shell, and Chevron

Contributed to major international energy projects including Shell Prelude and Chevron Wheatstone

Industry experience across aerospace, telecommunications, manufacturing, mining, and energy

International work across the United States, Ireland, Australia, Africa, Greece, and Southeast Asia

Personal Experience & Biography

Leadership Strengths

Partner Relations Experience

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