Hands-on GTM leadership for Communications, Infrastructure & AI-enabled platforms.
About Signal

Operator-grade GTM leadership, applied directly to your business.

Signal Consulting was founded by John Chambers, a CRO and commercial operator with 20+ years building enterprise revenue engines in telecom, IoT, SaaS and AI infrastructure.

What I bring.

The same playbook I'd run if I were full-time in the seat, only faster, and at a fraction of the cost.

  • 20+ years in CRO, VP Sales and GTM leadership roles
  • Deep sector fluency: telecom, IoT, enterprise SaaS, AI infrastructure
  • Hands-on with strategy, pricing, sales motion, and forecasting
  • Built and scaled teams across UK, EMEA and North America
  • Comfortable in the boardroom and on the deal review
How I work

Four principles. Every engagement.

Hands-on
I operate inside your business, in the pipeline, on calls, and alongside your team. Not observing from a deck.
Senior
You work directly with me, bringing two decades of commercial leadership experience across sales and go-to-market.
Outcome-driven
Everything is anchored to commercial outcomes, pipeline, revenue, and deal progression. No theatre, no vanity metrics.
Direct
Clear, candid, and constructive. I'll tell you what needs to change and help you execute it.
Career highlights

Twenty years of building commercial engines.

Twenty years building commercial engines for telecoms, IoT, SaaS and AI-enabled infrastructure businesses.

  1. 2003-2010
    Enterprise sales leader, telecoms & connectivity
    Built and led teams selling complex connectivity, infrastructure and managed services into enterprise and operator environments across the UK and EMEA.
  2. 2010-2017
    VP Sales, IoT & connected platforms
    Helped scale connected-platform businesses through strategic enterprise deals, channel partnerships and international expansion.
  3. 2017-2023
    CRO / commercial leadership, SaaS, data & AI infrastructure
    Held CRO and senior commercial roles focused on strengthening go-to-market execution, refining positioning, and building more predictable revenue. Supported the transition from early-stage selling to more structured enterprise sales, improving pipeline quality and consistency across growth-stage businesses.
  4. 2024-present
    Founder, Signal Consulting
    Now bringing that operator playbook to a focused group of leadership teams looking to sharpen positioning, build pipeline and scale enterprise revenue.
Let's talk

Tell me where you're stuck. I'll tell you if I can help.