John Wallace

Growth Specialist

A highly experienced sales and business growth specialist, John has worked with leading blue-chip organisations through to start-ups, helping them to apply best practice in sales, customer success and use of business insight.


He has 17 years of business mentoring and fractional sales management, and a further 15 years of experience in developing strategic accounts for BT, Concert Communications and KCL.


Privileging a practical approach, John’s methodology provides significantly higher sales, more efficient negotiation and develops business growth skills at the heart of organisations. John is able to engage clients in a range of roles—including sales and development, insight research and publishing, client success and service delivery—to launch and define the success of their Account Based Marketing (ABM).


John is also an active musician and a published composer in musical theatre and uses this creativity to bring fresh thinking to all of his work.

Industry insights


Statue of justice with neon overlay.
by Greg Mook • 7 October 2026
Greg Mook sets out the ten capabilities communications providers need for effective compliance, from business accountability to delivery-chain assurance | READ FULL ARTICLE
Sunrise over the ocean.
24 September 2026
Cambridge Management Consulting has achieved Certified B Corporation status, validating its commitment to responsible business and long-term stakeholder value | READ THE FULL PRESS RELEASE
A neon wireframe view of a city with roads and bridges.
by Paul Brooker • 15 September 2026
Sales Transformation | Manual workarounds and fragmented systems are costing telecom operators revenue and margin. Discover how to remove the Complexity Tax and unlock value | READ FULL ARTICLE NOW
A long  bank of solar panels in a field at dusk
by Scott Armstrong • 4 August 2026
ESOS Phase 4 isn't just compliance. Scott Armstrong explains why cheap audits cost more long-term, and how to treat Phase 4 as a strategic energy opportunity | READ FULL ARTICLE
Neon waves and lines with overlay of white plus signs, some dissolving away
by Jason Jennings • 14 July 2026
Procurement | Most organisations are sitting on 3–8 per cent of recoverable third-party spend. Here's where AI-powered spend analysis finds it — and how CFOs can act without cutting into operations | READ FULL ARTICLE
Three interlocked rings, silver, on a back background.
by Ruth Redding • 9 July 2026
Leadership & Change | Ruth Redding on why transformation and AI programmes fail without genuine adoption, and how leaders can build 'Adoption Insurance' into change from day one | READ FULL ARTICLE
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