Joint Effects

Joint Effects is a venture capital firm established in 2022 and headquartered in Boston, Massachusetts. The firm focuses on investing in innovative sectors, specifically fintech, deep tech, web3, and health technology. By targeting these dynamic industries, Joint Effects aims to support and foster the growth of emerging companies that are poised to transform their respective markets.

Tuomo Vuolteenaho Ph.D

Co-Founder

Past deals in VoIP

Language I/O

Venture Round in 2024
Language I/O develops software that enables customer support teams to communicate with customers in any language. The platform combines human and machine translation to automatically translate support content—including questions, emails, chats, articles, and social media interactions—across 150 languages. It offers a machine translation optimizer that handles complex user‑generated text such as jargon, slang, abbreviations, and misspellings. The solution integrates seamlessly with major customer relationship management systems and provides an API for custom deployments. Support agents can choose to use professional linguists, the optimizer, or a hybrid approach, allowing monolingual agents to engage customers in real‑time conversations in multiple languages.

Language I/O

Series A in 2023
Language I/O develops software that enables customer support teams to communicate with customers in any language. The platform combines human and machine translation to automatically translate support content—including questions, emails, chats, articles, and social media interactions—across 150 languages. It offers a machine translation optimizer that handles complex user‑generated text such as jargon, slang, abbreviations, and misspellings. The solution integrates seamlessly with major customer relationship management systems and provides an API for custom deployments. Support agents can choose to use professional linguists, the optimizer, or a hybrid approach, allowing monolingual agents to engage customers in real‑time conversations in multiple languages.
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