Tammy is the founder and CEO of Stronghold, a venture backed asset management platform for cryptographic assets. Previously Tammy was a partner at 500 Startups where she invested in startups as well as ran their growth and marketing curriculum for their Silicon Valley accelerators. Tammy also, was the first Head of Growth at Stellar.org, a crypto protocol company started by Jed McCaleb which now has a crypto market cap value over $50 Billion. Tammy also is an active investor and advisor to crypto token sales and have participated in 0x, Civic, District0x, Filecoin, Unikrn, BlockV, MANA, and Bancor, etc. Tammy also serves as an advisor to crypto hedge fund Bletchley Park Asset Management. Tammy is a graduate of Singularity University's GSP11 in Exponential Technologies at NASA Ames.