Claire Hubberstey

Claire Hubberstey serves as CEO at One Small Thing. One Small Thing operates in the nonprofit organization management sector with approximately 31.0 employees. The company is headquartered in London, England.

Industry & Role Insights

• • MessageCEO tracks 5,752 executives in the nonprofit organization management sector.
• • 10,137 executive contacts are available in England.
• • Our database includes 201,469 c suite-level executives.

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non-profit organizations trauma-informed justice system redesign women's support residential community hope street trauma recovery education on trauma policy influence justice sector training systemic change compassionate approach violence prevention criminal justice reform community alternatives gender-responsive programs mental wellbeing support for mothers anti-racism diversity & inclusion safeguarding women quality mark research & evidence empowerment capacity building community building healing environments policy advocacy employee training trauma education intergenerational trauma support networks effective communication mental health services employment opportunities cultural change organizational change training facilitators mental health awareness resilience building non-profit organization charity work fundraising initiatives social justice advocacy work volunteer programs support services collaborative partnerships community engagement nonprofit organization management

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Kadidia Cooper Chief Financial & Operations Officer at 10,000 Degrees

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Julien Ancele Directeur général / CEO at 1001fontaines

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Louis Negron Executive Director & Chief Operating Officer at 100 Black Men of Atlanta, Inc.

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Karina Guy Chief Executive Officer at 100 Companies that Care

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Dom Wood Chief Executive Officer at 1625 Independent People

Outreach Guidance — nonprofit organization management Sector

Executives like Claire Hubberstey in the nonprofit organization management sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at One Small Thing.

Claire Hubberstey's Position in the MessageCEO Database

• •Claire Hubberstey is 1 of 1 verified executive contact we track at One Small Thing.
• •5,654 verified executive contacts in nonprofit organization management are in the MessageCEO database.
• •10,040 verified executive contacts in England are in the database.
• •67 verified contacts work at nonprofit organization management companies in the 31.0 employee range (same size as One Small Thing).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Claire Hubberstey directly?

Claire Hubberstey's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at One Small Thing. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Claire Hubberstey work for?

Claire Hubberstey is CEO at One Small Thing, a company in the nonprofit organization management sector with 31.0 employees. The company is based in London, England.

Can I pitch or sell to Claire Hubberstey?

As CEO at One Small Thing, Claire Hubberstey is a key decision-maker in the nonprofit organization management sector. MessageCEO Pro gives you verified email to reach Claire Hubberstey directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Claire Hubberstey in?

Claire Hubberstey works in the nonprofit organization management industry as CEO at One Small Thing. MessageCEO provides verified contact information for executives across all major industries.

Is Claire Hubberstey's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Claire Hubberstey's profile is kept up-to-date with the latest available information.

Last updated: July 23, 2026