Stefan Kalb is the founder of Shelf Engine. Shelf Engine has raised $60M in total funding. Latest round: Seed. Backed by Initialized Capital.
Stefan Kalb is the co-founder and CEO of Shelf Engine, a Seattle-based startup that uses AI and machine learning to manage perishable food inventory for grocery stores like Walmart and Kroger, reducing food waste by guaranteeing sales and optimizing ordering. He established Shelf Engine in 2016 after raising an $800,000 seed round led by Initialized Capital. In 2025, Shelf Engine was acquired by retail data company Crisp, having raised over $60 million across multiple rounds.
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