Brennen Lesser

Fractional CMO · San Francisco, California

fractional cmo for startups in San Francisco

Fractional CMO leadership for San Francisco, California teams — go-to-market strategy, growth systems, and accountable execution on a flexible retainer.

Set up a strategy call
20+ yrs
Operating experience
30–50%
Of a full-time CMO cost
2 weeks
To ramp in San Francisco
San Francisco
Market served

Why San Francisco, California companies choose fractional marketing leadership

Ambitious San Francisco businesses often find themselves with marketing that is busy but not accountable. Campaigns ship, agencies invoice, and growth still stalls because no senior operator owns the plan. The traditional answer, a full-time CMO, is a $250,000 line item and a months-long recruit — a lot to commit before you know it will work.

That mismatch is precisely what a fractional CMO resolves. You get a marketing executive who has done it before — setting strategy, hiring the team, owning the pipeline number — on a part-time retainer that costs a fraction of a full-time hire. For growing San Francisco, California companies, it is the fastest path to leadership that sticks.

What a fractional CMO actually does

A fractional CMO takes the whole function off your plate. Positioning and messaging get locked so your San Francisco buyers understand why you win; demand generation gets built and measured to pipeline; analytics get honest; and the team, tools, and SOPs get put in place so marketing keeps producing when the engagement scales down.

What you get

01

Strategy & positioning

A clear go-to-market for the San Francisco 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 right time for a San Francisco company to hire fractionally

The right time is usually when effort stops translating into growth. Your San Francisco 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 San Francisco

01

Discovery & audit

Weeks 1–2: understand your funnel, goals, data, and the gaps holding San Francisco 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 San Francisco 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 San Francisco business, that is executive leadership that earns its keep.

Why work with Brennen Lesser

The difference with Brennen is ownership. He does not parachute in with recommendations and leave; he embeds in your San Francisco, California business, builds the engine, leads the people, and answers for pipeline. You end the engagement with a marketing function that stands on its own.

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 San Francisco companies?

Yes. Brennen Lesser works with San Francisco, California 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 San Francisco metro.

How much does a fractional CMO cost in San Francisco?

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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco company is this right for?

Typically seed-to-Series-B startups, SaaS companies, and growing B2B firms in San Francisco, California 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 San Francisco or remotely?

Both. Brennen works with San Francisco, California 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