email-personalization
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Lavender wants your cold email to earn its reply
A startup rescued by cold outreach built a coach for the inbox. Now Lavender is handing the keyboard to an AI agent - and asking whether better research can keep automation from becoming everybody else’s spam.
Vivek Sharma Bet on the Inbox. Then He Learned When to Let Go.
An aerospace student escaped the laws of physics, arrived too early for mobile, and found his lasting idea in a technology everyone else considered finished. After 15 years as Movable Ink’s CEO, his latest act is making room for the company to outgrow him.
Persana Built the Sales Machine - Then Pulled the Plug
Persana AI squeezed prospect research, enrichment, intent signals and outreach into one busy workspace. It won loyal sales teams, raised $2.3 million, and then shut the standalone product after joining Rox.
Stephen Campbell
Stephen Campbell is the CEO and co-founder of Revamp (YC S23), a San Francisco AI startup that stitches together Klaviyo and Shopify data to build smarter customer segments for eCommerce brands and agencies. A USC computer science graduate and former Airtable engineer, he built Revamp with longtime friend Amin Akhtar to turn days of manual data wrangling into insights that generate in seconds. He is known for a lean, capital-light approach to building - his 'raise early and raise small' philosophy - and for helping seed the Bay Area's generative-AI community through The GenAI Collective.
Xiaohan Shen
Xiaohan Shen is the co-founder and CEO of Coldreach (YC W23), a San Francisco startup that uses AI to find ready-to-buy leads by watching public buying signals and to personalize cold outbound at scale. A University of Wisconsin-Madison computer science and data science grad, he calls himself an 'outbound nerd' after writing more than 1,000 cold emails by hand at his first startup, EasyJobs, which he and co-founder Hankel Bao grew to 20,000 monthly active users before pivoting into the tooling problem they lived themselves.
Coldreach
Coldreach is a Y Combinator-backed (W23) AI sales development platform that helps B2B teams find companies that are ready to buy right now. Instead of blasting cold emails to random lists, teams describe what a buying signal looks like for their product in plain language, and Coldreach monitors 113M+ companies across job postings, news, LinkedIn activity, SEC filings, hiring changes and more, 24/7. When a match fires, the AI researches the account and writes personalized outreach that references the specific event - which the company says produces meaningfully higher reply and booking rates than spray-and-pray outbound.
Revamp (YC S23)
Revamp is a San Francisco startup (YC Summer 2023) that builds AI agents for eCommerce retention marketing. It plugs into Klaviyo and Shopify to turn scattered customer data into smart segments and then writes genuinely 1:1 personalized emails - drawing on signals like location, weather, purchase history and browsing behavior - so D2C brands can lift email revenue without hiring an army of copywriters.