Rubber Ducky Labs Raises $1.5 Million in Seed Round

by Kay Aloha Villamor in June 26th, 2023

Rubber Ducky Labs, a San Francisco, CA-based company focused on simplifying the development and enhancement of recommender systems, has announced a seed investment round of $1.5 million. 

The round was led by Bain Capital Ventures, with participation from Cadenza Ventures and notable angel investors including Brad Klingenberg, Patrick Hayes, and Dave Aronchick. Rubber Ducky Labs recently completed the Y Combinator program in Winter 2023.

Rubber Ducky Labs aims to provide a streamlined approach to analyzing and iterating on recommender systems, offering teams quick answers to their questions in minutes rather than days. The company incorporates data-driven insights directly into its product, enabling teams to visually explore data, including product images, and delve into metrics on individual items or users.

“Your recommender system can make you a lot of money, or get you into a lot of trouble, so you want to pay close attention to it,” said Rubber Ducky Labs co-founder & CEO Alexandra Johnson. “We’re the building tools to let you do that.”

The Rubber Ducky Labs team is actively seeking partnerships with e-commerce, the consumer marketplace, content discovery, and video game companies that share their vision of revolutionizing the development and optimization of recommender systems. These potential partners are invited to join their private alpha testing phase.

Company: Rubber Ducky Labs, Inc.

Raised: $1.5M

Round: Seed Round

Funding Month: June 2023

Lead Investors: Bain Capital Ventures

Additional Investors: Cadenza Ventures, Brad Klingenberg, Patrick Hayes, and Dave Aronchick

Company Website:

Software Category: Operational Analytics for Recommender Systems

About the Company: Founded in 2022 by Alexandra Johnson and Georgia Hong, Rubber Ducky Labs builds operational analytics for recommender systems. The company builds tools to debug, analyze, and improve recommender systems, allowing machine learning teams to move faster on projects that have a direct impact on the company’s bottom line. Rubber Ducky Labs is based in San Francisco, CA.


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