Sierra Peterson

Sierra Peterson is a Partner at Voyager Ventures based in San Francisco, California, where she leads early-stage investments in climate and frontier technology. Before joining Voyager in early 2023, she served as a Principal at Initialized Capital and held earlier roles as an operator and at Bain and Company. She holds a Bachelor of Arts in Management Science and Engineering from Stanford University. Peterson manages a portfolio of over 20 companies and recently led a $50 million Series A investment in a fusion energy startup in 2025. Her notable investments include Commonwealth Fusion Systems, and she also spoke on climate venture capital trends at TechCrunch Disrupt in late 2024. Peterson primarily focuses on scalable innovations at the intersection of hardware and software, specifically targeting enterprise software, artificial intelligence, and deep technology solutions for sustainability.