Interim revenue leadership for B2B SaaS · Berlin

Revenue growth that actually scales.

Interim CRO, CCO, CSO, VP Revenue and VP Sales for B2B SaaS. A senior operator who owns your number from week one. No bench, no juniors, no slideware.

20+
Years scaling B2B SaaS revenue teams
€0→28M
Productsup ARR, joined as employee #7
4×
Commercial orgs scaled: 2 built from scratch, 2 through business-model transitions
35–40%
Of ARR from the US, after leading the expansion

Who I worked with

Services

Senior GTM firepower, on demand.

From a two-week diagnosis to running your revenue team. You pick the depth, I own the outcome.

Lead

Interim CRO / CCO / CSO / VP Revenue / VP Sales

A revenue owner from day one. Board-ready plan, a forecast you can trust, team cadence, CAC, pricing and NRR.

Diagnose

GTM & pipeline credibility check

A fast, neutral X-ray of demand gen, sales process, partners and KPIs. You get ranked findings and a roadmap.

Build

GTM playbook

ICP, messaging, MEDDIC or SPICED, pipeline stages, forecast model and comp plan. For enterprise: named accounts, buying groups, procurement and security gates.

Expand

US / DACH market entry

Sizing, hiring blueprint, partners and a 90-day launch plan, from someone who has run the expansion before.

Automate

AI-enabled GTM

Pipeline automation, forecasting agents and prospecting workflows, with the data governance to trust them.

Coach & advise

Training, advisory & board

Methodology workshops, manager coaching and live deal reviews. Or a seat on your advisory board as GTM Advisor.

Day rate, monthly retainer, fixed fee, or reduced cash plus equity. Scoped per mandate, net of VAT, travel at cost. Pricing comes with the proposal.

Where I plug in

Pick your situation.

Senior judgement and hands-on execution in one person.

The signal

Growth is real, but it still runs through the founders.

What you get

One revenue owner, a weekly operating rhythm, repeatable wins.

Start with

Interim leadership or a playbook build.

Track record

Built from zero. Scaled through the hard parts.

Two orgs built from scratch, two business-model transitions, one operating logic.

Productsup · CRO
€0→28M
ARR, joined as employee #7

Built sales from zero to 16 FTE in six countries. Series A and B. US grew to 35–40% of ARR, NRR hit 120%.

CHILI publish · CSO
€5→7M
ARR through the move to SaaS

Took a ~10-FTE global sales, pre-sales and partner org from on-premise to full SaaS.

Brainsuite.ai · CCO
+€2.7M
New ARR signed in 12 months (FY 2024/25), on a €3.2M ARR base

Turned a services business into recurring revenue. Led ~20 FTE across sales, marketing, CS and RevOps.

Who I work with

Teams with a real decision to make.

Mandates work when someone is ready to act on what we find.

VC-backed startups, Seed to Series B

First scalable sales process, ready for the next round.

PE-backed scale-ups

Commercial transformation, efficiency and new markets.

Mid-market & enterprise B2B SaaS

A sharper GTM motion, AI built in, expansion into DACH, EMEA or the US.

VC and PE operating teams

GTM advisory and interim leadership across the portfolio.

International companies entering DACH

Native market knowledge and a 90-day localisation plan.

Founders at an inflection point

When you need an operator, not another deck.

How it works

First call to full execution.

Clear scope, clear outcomes, clear price. Before any work starts.

  1. 01

    Discovery call

    30 minutes, free. The situation, the constraint, what winning looks like.

  2. 02

    Scope & proposal

    Scope, deliverables, timeline and price on one page. No surprises.

  3. 03

    Execution

    Hands-on, in your systems, with your team. Outcomes over slides.

  4. 04

    Handover

    Your team owns the motion. Advisory stays on call if you want it.

FAQ

Straight answers.

What founders, boards and investors usually ask first.

What does Juma Growth do?

Juma Growth Consulting is a Berlin-based consultancy led by Markus Rottmaier. It provides interim CRO, CCO, CSO, VP Revenue and VP Sales leadership and go-to-market consulting for B2B SaaS companies: GTM and pipeline credibility checks, GTM playbooks, US and DACH market entry, AI-enabled GTM, sales training, and board advisory as GTM Advisor.

Who is Markus Rottmaier?

Markus Rottmaier is a B2B SaaS revenue leader with more than 20 years of experience. He joined Productsup as employee #7 and, as CRO, helped grow it from €0 to €28M ARR. He was CSO at CHILI publish during its move to SaaS and CCO at Brainsuite.ai, where his team signed €2.7M in new ARR in 12 months (FY 2024/25) on a €3.2M ARR base.

What is an interim CRO, and when does a company need one?

An interim Chief Revenue Officer is a senior executive who owns revenue for a defined period, for example after a leadership change, before a funding round, or while a permanent hire is found. The role covers the revenue plan, forecast, sales team cadence, pipeline quality, pricing and net revenue retention.

Which markets does Juma Growth cover?

Juma Growth works across DACH, wider EMEA and the US, from Berlin. Markus Rottmaier is a native German speaker, works fluently in English, and has led teams in Germany, the UK, France, the Netherlands, the US and Mexico.

Which sales methodologies does Juma Growth use?

Juma Growth builds GTM motions on SPICED and MEDDIC. Markus Rottmaier introduced SPICED as the common revenue language at CHILI publish and Brainsuite.ai.

How are engagements priced?

Each mandate is scoped individually: a day rate, a monthly retainer, a fixed-fee project, or reduced cash plus equity. Prices are net of VAT, travel is billed at cost, and the exact fee comes with the written proposal after a free 30-minute discovery call.

Start here

Book a free discovery call.

30 minutes. No pitch. Bring the growth problem, leave with your next move.

Used only to arrange the call. Never shared.