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Oliver Buchannon
William DeCourcy

15 years in performance marketing. Lead gen, attribution, and what actually drives revenue.

Build Your First Lead-Gen Agent in an Afternoon

Jun 30, 2026

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3 min read

Build Your First Lead-Gen Agent in an Afternoon

The afternoon build for a lead-gen agent that watches new leads, sorts hot from cold, and drafts the first reply before a busy human can get to it.

William DeCourcy
William DeCourcy
Your H1 Attribution Post-Mortem

Jun 23, 2026

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1 min read

Your H1 Attribution Post-Mortem

William DeCourcy
William DeCourcy
The 90-Second Rule for Video Scripts

Jun 16, 2026

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1 min read

The 90-Second Rule for Video Scripts

William DeCourcy
William DeCourcy
LTV Is the Only Metric That Matters

Jun 9, 2026

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1 min read

LTV Is the Only Metric That Matters

The $45 CPL channel that loses six figures a year, the 5-minute LTV calc that catches it, and the 3:1 ratio that separates real channels from vanity ones.

William DeCourcy
William DeCourcy
AI Creative Without the Slop

Jun 2, 2026

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2 min read

AI Creative Without the Slop

The 3 visual tells of AI slop, the blank-page versus blank-frame test, and the 3-hour ceiling that keeps AI in the draft pass instead of the delivery pass.

William DeCourcy
William DeCourcy
Newsletter Growth Without the Hacks

May 26, 2026

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2 min read

Newsletter Growth Without the Hacks

The 3 sources of organic newsletter growth, the box-placement fix that turns 0.3% conversion into 2.1%, and the 30-day playbook for the next 100 subscribers.

William DeCourcy
William DeCourcy
Your Q2 dashboard is missing the metric that decides H2.

May 19, 2026

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2 min read

Your Q2 dashboard is missing the metric that decides H2.

6 metrics, 2 to skip, 1 conversation with sales: the Q2 audit that decides whether your H2 hits plan.

William DeCourcy
William DeCourcy
When to Kill a Channel

May 12, 2026

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3 min read

When to Kill a Channel

A B2B team spent $340,000 on a channel that died 9 months earlier; they didn't kill it because nobody had run the math.

William DeCourcy
William DeCourcy
5 seconds. 4 hooks. 1 mistake that kills reach.

May 5, 2026

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4 min read

5 seconds. 4 hooks. 1 mistake that kills reach.

The first 5 seconds of every short decide whether anyone watches the next 25, and most creators are still violating the rule on every clip they post.

William DeCourcy
William DeCourcy
3 Agents. 18 Hours a Week. $46,800 a Year.

Apr 28, 2026

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6 min read

3 Agents. 18 Hours a Week. $46,800 a Year.

McKinsey clocked AI adoption at 72% companywide but only 47% in marketing. The 3 agents that close the gap in 2 weeks, plus the audit that prevents a 340-lead routing disaster.

William DeCourcy
William DeCourcy
Your attribution model is agreeing with everything you do. That should worry you.

Apr 21, 2026

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5 min read

Your attribution model is agreeing with everything you do. That should worry you.

Only 54% of marketers are confident in their attribution numbers. Why that's been flat for 3 years, and the test that gets at causation.

William DeCourcy
William DeCourcy
58% of your team's week is spent on work about work. Here's what's eating it.

Apr 14, 2026

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8 min read

58% of your team's week is spent on work about work. Here's what's eating it.

Asana measured it across 9,615 knowledge workers. The tax most marketing ops teams never see, and the 30-minute audit that finds it.

William DeCourcy
William DeCourcy
10 hours a week. That's what your team is losing to tasks an agent could run.

Apr 7, 2026

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7 min read

10 hours a week. That's what your team is losing to tasks an agent could run.

DoubleVerify clocked 10 hours 12 minutes a week of manual marketing work per person. Why 40% of agentic AI projects still get canceled, and the rule that separates the ones that stick.

William DeCourcy
William DeCourcy
Your attribution model is telling you a bedtime story

Mar 31, 2026

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5 min read

Your attribution model is telling you a bedtime story

THE 72% of marketers trust their attribution. The data says they shouldn't.

William DeCourcy
William DeCourcy
Your lead scoring model is confidently wrong

Mar 24, 2026

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7 min read

Your lead scoring model is confidently wrong

66% of one company's closed deals came from leads the model called "low priority."

William DeCourcy
William DeCourcy
Your attribution model is a confident liar

Mar 17, 2026

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7 min read

Your attribution model is a confident liar

It assigns credit with precision. The precision is fake.

William DeCourcy
William DeCourcy
The metric that's lying to your CFO

Mar 10, 2026

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6 min read

The metric that's lying to your CFO

CPL looks great on a dashboard. It looks terrible on a P&L.

William DeCourcy
William DeCourcy

Professor Leads

Weekly performance marketing insights for people who care about revenue, not just leads.

© 2026 Professor Leads.
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