Jonathan O'Sullivan Email
Senior Consultant @ Proxima
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Jonathan O'Sullivan Location
- London, GB
Jonathan O'Sullivan Work
- Senior Consultant @ (June 2026 - Present)
- Category Manager @ (January 2026 - June 2026)
- Manager @ (June 2022 - November 2025)
- Strategic Sourcing Senior Advisor @ (June 2021 - June 2022)
- Sourcing Manager @ (December 2018 - June 2021)
- Senior Buyer @ (May 2016 - December 2018)
- Procurement Specialist @ (January 2015 - April 2016)
- Supply Chain Manager (Consulting) @ (March 2014 - January 2015)
- Senior Business Analyst @ (January 2012 - February 2014)
- Supply Chain Strategy Senior Analyst @ (March 2011 - November 2011)
- Supply Chain Strategy Analyst @ (January 2010 - March 2011)
Jonathan O'Sullivan Education
- Imperial Business School
Master of Business Administration - EMBA (Strategy and Finance)
2025-2026 - Questrom School of Business, Boston University
BSBA (Finance)
2004-2008 - Singapore American School 1998-2004
Jonathan O'Sullivan Skills
- Account Management
- Account lead
- Analysis
- Analytical Skills
- Analytics
- Builds Relationships
- Business Case Modelling
- Business Development
- Business Knowledge
- Business Relationship Management
- Business Strategy
- Category Management
- Client Services
- Commercial Management
- Commercial Models
- Communication
- Consulting
- Contract Negotiation
- Cost Savings
- Cross-functional Team Leadership
- Customer Relationship Management (CRM)
- Customer Service
- DCF Valuation
- Driving Results
- ERP Implementations
- Financial Analysis
- Forecasting
- Global Sourcing
- Leadership
- Management Consulting
- Market Research
- Microsoft Office
- Negotiation
- Net Present Value (NPV)
- New Business Development
- Operations Management
- Problem Solving
- Process Improvement
- Procurement
- Product Development
- Program Management
- Project Delivery
- Project Leadership
- Project Management
- Project Work
- Purchasing
- RFx Process
- Stakeholder Management
- Strategic Planning
- Strategic Sourcing
- Strategy
- Supplier Development
- Supplier Management
- Supplier Relationship Management
- Supply Chain
- Supply Chain Management
- Supply Chain Optimization
- Supply Management
- Team Management
- Teamwork
- Working With Clients
- Cross Functional Team Leadership
- Photoshop
Jonathan O'Sullivan Summary
- Jonathan O'Sullivan, based in London, GB, is currently a Senior Consultant at Proxima. Jonathan O'Sullivan brings experience from previous roles at Anglo American, Accenture, Linklaters and Direct Line Group. Jonathan O'Sullivan holds a 2025 - 2026 Master of Business Administration - EMBA in Strategy and Finance @ Imperial Business School. With a robust skill set that includes Account Management, Account lead, Analysis, Analytical Skills, Analytics and more. Jonathan O'Sullivan has 2 emails on RocketReach.
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Top Proxima Employees
Mike Patterson
Vice President - Consulting
Pittsburgh, PA, US
Julie Brignac
Senior Vice President
Chicago, IL, US
Gary Markle
Vice President
Chicago, IL, US
Karin Strom
Logistics Specialist - VP
London, England, GB
Jamie Ganderton
Senior Vice President
London, GB
Julie Craig
SVP Client management
London, GB
Guy Strafford
Chief Client Officer
London, GB
Lisa Darling
Vice President
New York, NY, US
David Charles
Sr Vice President
Stevens, PA, US
Edward Winterschladen
Executive Vice President, Europe
Harrogate, GB
Jonathan Bazzani
Vice President
Pittsburgh, PA, US
Rachel Kaim
Vice President
Lookout Mountain, GA, US
Rene Petri
Senior Vice President
Germany
Jack Nash
Senior Vice President
London, GB
Clare Harris
EVP Chief Operating Officer
London, GB
Derek Marr
Chief Financial Officer
London, GB
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