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Sabrina Castiglione

Sabrina Castiglione

Startup CFO/COO with a passion for scaling B2B SaaS companies

London, United Kingdom
Joined July 2025

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14.6K connections
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Omnea Leadership
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Startup Founders Investors
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Omnea GTM Solutions
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Tessian Proofpoint Alumni
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Omnea Engineering Product
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Legal Counsel Advisors
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Summary

Sabrina is a highly experienced CFO and COO in the B2B SaaS startup space, known for her ability to scale companies and lead diverse operational functions including finance, people & talent, and revenue operations. She played a key role in the rapid growth of Tessian (from employee #4) and successfully scaled Pento through its acquisition by HiBob. forbes+2
With a background in Chemistry and actuarial science, Sabrina brings a unique analytical and logical approach to her leadership roles, focusing on understanding business levers and driving outcomes. She emphasizes extreme ownership and the importance of data-driven decisions while balancing the human element in team performance. talentedge+1
Sabrina is a dedicated advocate for diversity and gender parity in STEM fields, having co-founded Women Empowering Diversity in Startups (WEDS) and chaired the WISE Campaign's Young Professionals' Board. She has been recognized twice on the 'Most Influential Women in UK Tech' longlist. talentedge+2

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Education

Hobbies

Has a deep passion for fantasy literature, particularly the Wheel of Time series, and collects Lord of the Rings swords. operationsnation+1