Brennen Lesser

Fractional CMO · Chicago, Illinois

fractional cmo for startups in Chicago

Part-time fractional CMO leadership, full-time ownership — strategy, demand generation, and team building for Chicago, Illinois companies.

Hire your fractional CMO
20+ yrs
Operating experience
30–50%
Of a full-time CMO cost
2 weeks
To ramp in Chicago
Chicago
Market served

Why Chicago teams hire a fractional CMO instead of a full-time one

Growing Chicago, Illinois companies reach a point where marketing needs real leadership — not another freelancer, not a junior hire guessing at strategy, and not an agency running tactics with no ownership of the outcome. But a full-time chief marketing officer is a $250,000-plus commitment that takes four to six months to recruit and is hard to justify before the revenue is there to support it.

A fractional CMO turns "we need a marketing leader someday" into "we have one now." You embed a senior operator part-time to own the strategy, build the systems, and lead the people — with accountability for revenue and none of the full-time risk. Most Chicago companies see it as the smartest first executive marketing hire they can make.

What a fractional CMO actually does

Fractional CMO work spans strategy through execution. It begins with sharp positioning and messaging for your Chicago, Illinois audience, extends into demand generation tied to revenue, includes the analytics to prove what works, and finishes with team building — the right hires, the right stack, and the documented processes that outlast any one person.

What you get

01

Strategy & positioning

A clear go-to-market for the Chicago market and beyond — messaging your whole team can repeat.

02

Demand generation

Channels and campaigns that produce pipeline, measured to revenue instead of clicks.

03

Team & operations

The right hires, tools, and SOPs — a marketing department that runs itself.

04

Analytics & attribution

Honest reporting that ties every dollar of spend back to pipeline and closed revenue.

05

Budget ownership

A marketing budget allocated by someone accountable for the return on it.

06

Executive alignment

Marketing that sales trusts and the board understands — one shared number.

The triggers that send Chicago founders looking for a fractional CMO

The right time is usually when effort stops translating into growth. Your Chicago team is working, the invoices are getting paid, and the numbers still are not moving — because no senior operator owns the plan. Add an approaching raise or an undefendable budget, and the case for a fractional CMO makes itself.

The first 90 days in Chicago

01

Discovery & audit

Weeks 1–2: understand your funnel, goals, data, and the gaps holding Chicago growth back — talk to sales, customers, and the numbers.

02

Strategy & plan

Weeks 2–4: lock positioning, choose the channels that fit your motion, and build a 90-day roadmap tied to revenue targets.

03

Build & execute

Weeks 4–8: install the systems, make or manage the hires, launch the channels, and start producing measurable pipeline.

04

Measure & scale

Weeks 8–12 and on: attribution to revenue, cut what is not working, and double down on what is — then keep compounding.

Fractional CMO vs. full-time CMO vs. agency

Between a full-time hire and an agency, most Chicago companies need something in between. Full-time means dedicated leadership at a steep, slow-to-secure cost. An agency means execution against your instructions with no accountability for outcomes. A fractional CMO delivers the ownership of the former at closer to the cost of the latter.

How pricing works

Wondering how much a fractional CMO costs? Everything runs on a transparent monthly retainer. You are not giving up equity or signing a long contract, and the invoice does not move around. The retainer is set to your scope and, as a rule of thumb, comes in around 30–50% of full-time CMO comp — senior leadership most Chicago companies find pays for itself in pipeline.

Why work with Brennen Lesser

Brennen is a builder first. He has stood up marketing teams and demand systems from scratch, and he brings that to Chicago companies as a fractional CMO — hands in the work, accountable for results, and focused on leaving behind a machine that runs without him.

Brennen ran our marketing like an owner. He set the strategy, built the team, and the pipeline came.

Client, B2B SaaSCEO

Frequently asked questions

What is a fractional CMO?

A fractional CMO is an experienced chief marketing officer who leads your marketing on a part-time, ongoing basis instead of as a full-time employee. You get executive-level strategy, team leadership, and accountability for growth — at a fraction of the cost of a full-time hire, and without the long recruiting cycle or equity package.

Do you offer fractional CMO services for Chicago companies?

Yes. Brennen Lesser works with Chicago, Illinois companies as a fractional CMO — both remotely and on-site as the engagement requires. That includes founder-led startups, funded scale-ups, SaaS businesses, professional-services firms, and established B2B companies across the Chicago metro.

How much does a fractional CMO cost in Chicago?

Most fractional CMO engagements run at roughly 30–50% of a full-time CMO salary, billed as a flat monthly retainer with no equity and no long-term contract. The exact number depends on scope and how many days a month you need. For most Chicago companies that is a meaningful saving versus a full-time executive who would command $250,000 or more in total compensation.

How is a fractional CMO different from a Chicago marketing agency?

An agency executes tactics — ads, content, email — usually against a brief you provide. A fractional CMO sits a level above that: they set the strategy, decide which channels to invest in, hire and manage the people (or agencies) who execute, and own the results. Think of it as renting a marketing leader, not renting a marketing vendor.

Fractional CMO vs. full-time CMO — which does my Chicago company need?

If you have the budget, the workload, and the revenue to support a $250k+ executive full-time, hire one. If you need senior marketing leadership now but can’t yet justify that cost — or you want to de-risk the decision before committing — a fractional CMO gives you the same caliber of leadership scaled to your stage, and can help you hire your eventual full-time CMO when the time comes.

How quickly can we start?

Most Chicago engagements ramp in about two weeks. You skip the four-to-six-month executive search entirely — after a short discovery period, Brennen is embedded in your business, auditing the funnel and shipping a strategy while a full-time search would still be scheduling first-round interviews.

What size Chicago company is this right for?

Typically seed-to-Series-B startups, SaaS companies, and growing B2B firms in Chicago, Illinois doing roughly $1M–$50M in revenue — companies large enough to need real marketing leadership but not yet large enough to justify a full-time CMO on payroll.

What results should we expect?

Clear positioning your whole team can articulate, a demand-generation engine measured to pipeline and revenue, honest attribution so you stop wasting spend, and a marketing team and set of systems that keep producing after the engagement scales down. The goal is a self-sustaining function, not dependence on a consultant.

Do you work on-site in Chicago or remotely?

Both. Brennen works with Chicago, Illinois teams remotely day-to-day and comes on-site for kickoffs, planning sessions, and key moments where being in the room matters. Modern marketing leadership doesn’t require a desk in your office five days a week.

Hire your fractional CMO