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David Kalt

David Kalt is a serial entrepreneur focused on scaling consumer focused technologies and marketplaces. He currently is the Chariman, and CEO of PangoBooks, an online used book marketplace that was founded in 2021 to make peer to peer book selling easy and affordable.

Kalt was the founder and CEO of, an online marketplace for musical instruments that was acquired by Etsy in 2019. Since launching in 2013, David worked side-by-side with his growing team to make the online marketplace the best place for musicians to buy and sell new, used, and vintage music gear. As the company’s evangelist and product visionary, David has grown into the most popular music gear website in the world.

David started shortly after purchasing well-known musical instrument shop, Chicago Music Exchange, and growing frustrated with the process of buying and selling guitars online. Prior to that, he made a name for himself as co-founder and CEO of online broker optionsXpress, which he took public in 2005 before the company was sold to Charles Schwab in 2010, and as founder of ClientBASE, the first CRM solution for travel agents and tour group operators.

David is frequent writer on business topics in the Wall Street Journal and Prior to finding success as an entrepreneur, David began his career as a recording engineer/producer. He holds a bachelor’s degree in political science from the University of Michigan and a master’s degree in computer science from DePaul University.

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