Brennen Lesser

Fractional CMO · Boston, Massachusetts

b2b fractional cmo in Boston

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

Talk to Brennen
20+ yrs
Operating experience
30–50%
Of a full-time CMO cost
2 weeks
To ramp in Boston
Boston
Market served

Why Boston, Massachusetts companies choose fractional marketing leadership

For a fast-growing Boston, Massachusetts company, the marketing gap is rarely effort — it is leadership. Plenty of activity, plenty of spend, but no one connecting it to revenue. A full-time CMO would close that gap, yet the cost and the hiring timeline make that a heavy bet at your stage.

Here a fractional CMO is the obvious answer. Instead of a full-time commitment, you get a battle-tested marketing leader part-time — owning the number, building the team, and installing systems that outlast the engagement. For Boston businesses, it delivers the caliber of leadership they need at a cost and risk profile they can actually accept.

What a fractional CMO actually does

A fractional CMO owns marketing end to end. First comes positioning: who you serve, what makes you different, and why Boston buyers pick you. Then demand generation — the channels and campaigns that produce pipeline measured to revenue — followed by honest attribution and the hiring, tooling, and process work that turns marketing into a system rather than a scramble.

What you get

01

Strategy & positioning

A clear go-to-market for the Boston 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.

How Boston companies know it is time for a fractional CMO

Bringing in a fractional CMO makes sense the moment marketing needs a decision-maker, not more doers. That is often when a Boston, Massachusetts company plateaus, when spend gets hard to justify, when a team lacks direction, or when investors start asking how growth actually works. Any one of these is your cue.

The first 90 days in Boston

01

Discovery & audit

Weeks 1–2: understand your funnel, goals, data, and the gaps holding Boston 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

Each option trades off differently. A full-time CMO delivers dedication but demands $250k-plus and months of hiring risk. An agency delivers capacity but owns none of your strategy or results. A fractional CMO delivers what most Boston companies actually need — senior ownership and accountability — part-time and at a fraction of the full-time cost.

How pricing works

Fractional CMO pricing is a simple flat monthly retainer with no equity and no long contracts. It is sized to the scope — fewer days a month for strategy and oversight, more for hands-on building — and generally lands around 30–50% of a full-time CMO’s total comp. For a growing Boston business, that is executive leadership that earns its keep.

Why work with Brennen Lesser

Hiring Brennen means adding an operator to your leadership team, not a vendor to your roster. He owns the strategy, drives the execution, and holds the number for your Boston business — the same way a great full-time CMO would, just on the terms your stage can support.

He plugged in like a founder, took the number as his own, and turned our marketing into a real engine.

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 Boston companies?

Yes. Brennen Lesser works with Boston, Massachusetts 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 Boston metro.

How much does a fractional CMO cost in Boston?

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 Boston 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 Boston 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 Boston 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 Boston 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 Boston company is this right for?

Typically seed-to-Series-B startups, SaaS companies, and growing B2B firms in Boston, Massachusetts 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 Boston or remotely?

Both. Brennen works with Boston, Massachusetts 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.

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