Hello Reader
“Sorry we couldn’t find time to chat.”
That sounds like a reasonable email to send a prospect who failed to schedule a meeting.
Except this prospect had never received a meeting link.
The email came from Zapier and landed in the inbox of a qualified enterprise buyer. The company’s automation blamed the buyer for failing to complete an action they’d never been given the chance to take.
Angela Ferrante, who led enterprise marketing at Zapier (and is now head of marketing at Amplitude), recently walked me through how she discovered that email.
It was one example of a much larger problem: qualified buyers were getting trapped inside a broken journey.
Some were sent through live-chat loops. Some received several uncoordinated automated messages. Others received no meaningful follow-up at all.
The company had plenty of demand. Millions in potential pipeline were entering the funnel each month, but too much of it was slipping through the cracks.
Every pipeline leaks, including those built by thoughtful teams with sophisticated systems.
This week I’m going to show you how Angela used a team of agents to find those leaks, fix the buyer experience and recover pipeline that Zapier had already earned.
The Leak Was Bigger Than One Email
At first, Angela thought the issue was a broken automation.
Then her team started looking at other qualified buyers who’d failed to reach a meeting.
They found prospects receiving automated emails with no human follow-up. Others were contacted by several systems in the same week. Some entered the funnel, met the qualification criteria and disappeared without receiving a single message.
It’s a common problem.
A recent Salesforce study on agentic marketing found that 48.6% of inbound leads fail to convert because of inadequate follow-up. Another 31.7% are lost through poor routing or handoffs.
Those numbers make sense when you look at what was happening inside Zapier.
Marketing captured the lead, hubSpot saved the record and then other systems handled the sales activity, content and communications. Each platform recorded its part of the process, but no one could see the complete experience.
The prospect moved between tools and teams while everyone inside the company saw a different piece of the journey.
That’s how a pipeline can leak even when every individual system appears to be working.
So Angela decided to follow the buyers who’d already raised their hands.
Rebuild the Buyer Journey
Finding out what happened to each lead required a lot of manual work.
The most senior person on Angela’s demand gen team was spending approximately 40 minutes investigating every lost lead. He moved between HubSpot, Gong, Contentful and other systems trying to piece the journey together.
Angela described it as “total whack-a-mole.”
One system showed that a form had been submitted, another showed an automated email, a third held the sales activity. None of them gave the team a complete view of what the buyer had actually experienced.
To fix this, Angela established a manual verification loop built around five core questions:
- Who is this buyer?
- What did they do?
- How did we respond?
- Who owned the next action?
- Did that action happen?
This verification loop gave her team a way to examine the stack through the buyer’s eyes before turning the process over to the automated agents.
The investigation also surfaced problems that a standard pipeline dashboard wouldn’t catch.
Around 30% of the abandoned leads involved an email typo. Someone would enter “gamil.com” instead of “gmail.com,” the automated messages would bounce and the lead would disappear.
The team also found senior buyers at major companies using personal email addresses. Zapier hadn’t been sanctioned inside their companies yet, so they’d signed up with Gmail. A rule that classified personal email addresses as low quality could have removed some of Zapier’s best prospects.
The Agent Investigation
Angela’s agents turned a 40-minute manual investigation into a repeatable workflow with automated verification loops.
Instead of one monolithic agent, Angela designed a specialized 'Agent Team' consisting of three distinct automated tasks, each operating as a Codex scheduled automation.
The first started with a daily HubSpot report of qualified buyers who hadn’t reached a meeting. It pulled activity from across Zapier’s systems and diagnosed where each journey had broken.
The second turned that evidence into a visual timeline showing the buyer’s form submissions, communications, sales activity and missing steps.
Together, the agents gave Angela’s team a complete view of the buyer journey. They sent the diagnosis to Slack and suggested recovery messages for email and LinkedIn, giving sales a clear next step.
The agents weren’t dependable on the first try.
When Angela asked them to process hundreds of leads, the outputs became inconsistent. She added verification steps that compared each result with an approved example and reran any work that failed the check.
That experience gave her three rules for building a dependable agent:
- Start with a defined source of truth.
- Give the agents a bounded job.
- Give it criteria for checking its own work.
As Angela explained, “You have to do it manually first. You teach it how to do it and then you give it good criteria for whether it did the job well.”
Humans and agents working together
Once Angela’s agents made the broken buyer journey visible, it was clear what they needed to do to fix the issue.
Zapier brought everyone together in a cross-functional “No Lead Left Behind” initiative. Sales contacted affected prospects while RevOps repaired the sequences, routing and ownership rules causing the leaks.
According to Angela, weekly pipeline leakage fell from the high six figures to the thousands.
Agents Need Clarity
Angela’s agent worked because its job was specific and its requirements were clear.
This same principle applies when you’re using Claude to analyze marketing and pipeline data. If you give it an open-ended instruction such as “analyze my pipeline,” it’ll decide what to examine each time and your answer will always vary.
One week it might focus on conversion rates, the next it will be prioritizing deal size, lead source or stage velocity. This makes it incredibly difficult to track your progress.
Your instructions need to make the analytical (and repair) process repeatable.