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Katherine Sizov
CEO & Co-Founder of Strella
Katherine Sizov is the co-founder and CEO of Strella Biotechnology, a company she started in 2019 while studying molecular biology at the University of Pennsylvania.12 Strella develops biosensing technology to predict fruit ripeness, helping to reduce food waste and optimize the produce supply chain.13
Background and Education
Sizov's interest in biotechnology began early. As a child, she would dumpster dive for biotech equipment with her father on the Harvard campus.2 At 16, she secured an internship at the National Institutes of Health, demonstrating her drive and passion for the field.2
While at the University of Pennsylvania, Sizov learned that 40% of food is wasted before consumption.1 This statistic inspired her to apply her knowledge of biology and love for application-based science to address the problem of food waste.12
Founding Strella
Sizov founded Strella in 2019, leveraging resources from the University of Pennsylvania, including support from the Wharton School of Business and the biology department.2 The company developed a biosensor technology that uses algorithms to predict fruit ripeness, allowing for better management of produce quality throughout the supply chain.1
Achievements and Impact
Since its founding, Strella has:
- Raised over $11.5 million in venture capital funding1
- Monitored over 2 billion pieces of fruit1
- Helped Washington state apple and pear growers organize their inventory based on shelf life3
- Expanded its technology to be used by half of U.S. pear and apple packing houses2
Sizov's work has garnered recognition, including winning the first-place grand prize in the third-annual GS1 US Startup Lab Pitch Competition and being named to the Grist 50 2021.2
Vision and Approach
Sizov's goal is for Strella's technology to be used on every pallet in major fresh produce retailers, aiming to improve the quality of food available to consumers.4 Her approach combines respect for traditional practices in the agriculture industry with data-driven solutions, helping to bridge the gap between established methods and innovative technologies.4




