Jonathan Duffin
Sales Engagement Manager @Columbus
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WORK HISTORY
Sales Engagement Manager @Columbus
Nottingham, GB
Shape Microsoft Dynamics 365 opportunities from qualification through planning, estimation, proposal development, and engagement handover.Define realistic delivery approaches, timelines, resource models, and commercial assumptions that create confidence in the proposed approach.Develop high-quality proposals, statements of work, and supporting artefacts that communicate a clear, credible, and well-structured approach.Partner with sales, solution, and delivery teams to bring clarity to complex opportunities and translate requirements into delivery-ready plans that teams can stand behind.
EDUCATION
Warlingham School
Double English, Double Science, Maths, Sociology, Humanities, Religious Education, Design Technology
University of Brighton
Sociology & Criminology
Reigate Sixth Form College
Sociology, Media Studies, Physical Education, and Psychology
SKILLS
ABOUT JONATHAN DUFFIN
I care about quality, clarity, and structure. Whether defining plans, guiding architects and consultants, or shaping client engagements, my aim is always the same: to create confidence in delivery and set projects up for success.I specialise in shaping successful Dynamics 365 programmes through structured planning, credible estimation, and high-quality bid leadership. My background spans finance, supply chain, and bespoke software delivery, supporting both global and sector-specific organisations.I bring a delivery-grounded approach to pre-sales and engagement management. I understand the complexity of solutions, translate ambiguity into workable plans, coach teams through estimation, and produce bids that are clear, accurate, and commercially balanced.
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