Tammie Siew

Tammie Siew is a Partner at Pebblebed based in London, United Kingdom, where she leads pre-seed and seed-stage investments in emerging technology startups. Prior to her promotion to Partner in January 2024, she served as Vice President of Product at Monzo and held earlier operational roles at Wise, Microsoft, and Goldman Sachs. Siew has participated in a portfolio of more than 20 investments as a general and limited partner, recently leading Pebblebed's investment in the artificial intelligence software startup Moot in March 2025. She holds a degree from University College London and frequently shares industry insights, including speaking on seed investing trends at TechCrunch Disrupt in October 2024. Leveraging her extensive background in product leadership, her current focus centers on bridging operations and venture capital to scale early-stage software, financial technology, and developer tool enterprises.