Signals

Proactive AI customer support that engages high-value users

Y CombinatorWinter 2026ActiveB2B

What they do

Problem

Customer support teams are overwhelmed by reactive tickets and miss opportunities to engage and upsell high-value users before issues escalate.

Solution

Signals uses LLM-powered proactive support agents that authentically message customers (including outbound iMessage) to resolve issues early, reduce tickets, and drive upsells.

Who it's for

Businesses with customer support operations—especially those with high-value users—seeking to proactively engage customers and reduce support load.

Founders

Ilya Valmianski

Co-Founder/CEO

Co-Founder Signals. 2x founder. Previously built AI patient intake at Kaiser Permanente, medical ChatGPT before ChatGPT at Curai Health, and co-founded MDandMe. Physics PhD.

LinkedIn · X

Alejandro Zaniolo

Founder

Co-founder at Signals. I like building things from the ground up. Previously helped take two startups from 0 - 1: one was acquired by Blueground, and another grew 6x YoY to $40M ARR and became profitable by the time I left.