Sandra Dennis

Sandra supports attorneys and corporate clients in complex transactions for privately held companies across the life sciences, healthcare, technology and consumer sectors. Her experience includes entity formation, venture financings, M&A, strategic exits and ongoing corporate maintenance. She manages formations, capitalization records, corporate governance and deal execution for startups and emerging growth companies and supports venture financings from seed- through later‑stage preferred stock rounds.

Sandra helps clients, including emerging companies, establish strong corporate governance and sound business practices that position them for investor readiness and sustainable growth. She brings clarity, organization and efficiency to complex corporate transactions, partnering with management teams and investors to position emerging companies for financing, growth and long-term success.

Before joining Cooley, Sandra was a corporate securities paralegal at other prominent law firms in the Pacific Northwest. While pursuing her MBA at the University of Portland, she had a microfinance internship in Burundi, Africa. She has returned to Central Africa several times to provide business training to rural and urban business owners and youth.

Representative clients and transactions:

• Poppi in its $1.95 billion sell-side merger to PepsiCo in May 2025 – cap audit and migration to Carta platform
• Promise XYZ in its $139 million acquisition by dbt Labs in January 2025, with investors including Founders’ Co-op, RTP Global and Two Sigma Ventures
• Parse Biosciences in its acquisition by QIAGEN in November 2025