John Gribbon
High Halden,Kent
Summary
Results-driven professional with expertise in project management methodologies, Agile and Scrum practices, and cloud services and platforms. Skilled in implementing change management strategies, ensuring data governance and compliance, and leveraging data analysis tools to drive informed decision-making. Proficient in risk mitigation techniques, the software development life cycle, and quality assurance processes to deliver high-quality outcomes. Adept at aligning technical solutions with organisational goals to foster innovation and operational efficiency. Committed to advancing expertise in dynamic environments while contributing to impactful projects. People person.
Overview
30
30
years of professional experience
2002
2002
years of post-secondary education
1
1
Certification
Work history
Senior Project Manager
London Stock Exchange Group
London
2024.04 - 2025.12
- Integrated complex third-party SaaS platforms into enterprise ecosystems, managing data migration for 70 global Financial Services clients.
- Ensured data integrity and service continuity during transitions of business-critical SFTP services through deep coordination between engineering and product teams.
- Led CRM and collaboration data transitions, migrating from Zendesk to Salesforce Service Cloud and transferring large-scale data from Slack and Google Workspace to LSEG Enterprise M365.
- Devised strategies to address challenges encountered during project life cycles.
Digital Project Manager (consultant)
MoD Ministry of Defence
London
2019.11 - 2023.06
- Designed, developed, and implemented bespoke M365 ‘Risk Management Tool' to modernise risk culture across complex organisation.
- Cultivated high-performance culture within team by promoting professional growth and learning opportunities.
- Leveraged latest technology trends in Power BI & Power Apps, staying ahead to meet evolving business requirements enabling real-time risk analysis and reporting
- Improved user experience (200,000 users) by incorporating feedback as project developed - enabled 300% improvement in risk analysis/mitigation
SCRUM Master (consultant)
MoD Ministry of Defence
Bristol
2019.09 - 2019.11
- Consulted and led Agile/Scrum methodology to deliver M365 SharePoint solution.
- Provided PID and Roadmap, Business Change, Data Migration & Information Management plan; Advised on Data Assurance & Compliance; GDPR inclusive of aligned Training.
- Coached team members, boosted their understanding of Agile principles.
- Liaised between business and technical teams, bridged communication gap.
Senior Project Manager (consultant)
DBT/FCDO UKGov
London
2018.09 - 2019.06
- Orchestrated strategic rollout of MS Teams to 3,500 users, aligning delivery with & Digital, Data and Technology framework.
- Governed complex data compliance and information management strategies to meet GDPR and GDS standards
- Collaborated with different department heads, ensuring alignment with overall company objectives whilst executing projects.
- Delivered customised training programmes to improve workforce skills and knowledge. Recommended improvements on business processes for optimised performance and efficiency
Lead / Senior Project Manager
Sefton Council
Liverpool
2018.01 - 2018.08
- Rescued high-profile M365 cloud transformation project mid-flight, successfully delivering remaining scope on time and within budget.
- Applied Agile methodologies to manage full project lifecycle, providing transparent reporting on risks and benefits to programme Board.
- Conducted technical and customer meetings, increasing communication and strengthening stakeholder relationships.
- Engineered robust support and training function to ensure seamless Service Transition to BAU for over 3,000 users.
Senior Project Manager (consultant)
Home Office/DEFRA
London
2017.04 - 2018.01
- Successfully managed critical service transition of customised digital platform from Vodafone to Civica, achieving 50% operational efficiency improvement.
- Defined project scope and milestones, ensuring clear progress plans and task allocation.
- Conducted technical and customer meetings to enhance communication and strengthen stakeholder relationships.
Senior Project Manager
Home Office UKGov
London
2016.10 - 2017.04
- Directed technology discovery and analysis to modernise digital platforms within Immigration Service.
- Managed cross-functional teams of technical developers and Business Analysts to define requirements aligned with Home Office IT Strategy.
- Applied critical thinking to resolve complex technical bottlenecks, resulting in increased workplace efficiency.
Senior Project Manager – ACAS
Ministry of Justice UKGov
London
2013.06 - 2016.10
- Led nationwide digital transformation from on-premise infrastructure to O365 Cloud, ensuring zero-downtime.
- Tracked and communicated project status, timelines and action items from project inception to delivery.
- Authored and executed change management strategies that facilitated smooth national rollout across diverse business units.
- Delivered successful project outcomes by directing team activities and facilitating communication.
Project Manager
JLT Insurance
City of London
2012.06 - 2013.06
- Executed large-scale technology transformation across 10 UK sites.
- Mitigated potential project risks to safeguard timelines and budgets.
- Secured stakeholder buy-in through compelling presentations of proposed benefits.
- Ensured effective resource allocation via meticulous project scheduling.
Project Manager
Morgan Stanley Fixed Income & Derivatives
London
2004.08 - 2007.01
- Executed pivotal business technology transitions in application development upgrades and deployment within large, complex global organisation.
Networking Engineer
Capita HQ
London
2004.02 - 2004.08
- Managed Citrix Servers and networking support, including major upgrade.
Server Engineer
House of Commons
London
1996.04 - 2002.10
- Provided IT Networking, Application and Support services
- Developed effective solutions for technical issues, improving overall system stability.
Education
BSc (Hons) - Biology
Imperial College of Science And Technology
London06.1995
A-Levels - Geography; Biology; English Lit
St Joseph's RC Comprehensive School
Hebburn, South Tyneside 1989.09 - 1991.06
9 x GCSE's - Maths and English
St Joseph's RC Comprehensive School
Hebburn, South Tyneside 1984.09 - 1989.06
Skills
- Project management methodologies
- Agile and Scrum practices
- Cloud services and platforms
- Change management strategies
- Data governance and compliance
- Data analysis tools
- Risk mitigation techniques
- Software development life cycle
- Quality assurance understanding
Certification
- Certified Project Management Professional PMP/PMI | PRINCE2 | MCP
Interests
Keen walker and cyclist and enjoy being out in nature, I also like to travel - in my youth spent a few years travelling solo around the world so am well equipped to be self sufficient and enjoy new adventures
Timeline
Senior Project Manager
London Stock Exchange Group
2024.04 - 2025.12
Digital Project Manager (consultant)
MoD Ministry of Defence
2019.11 - 2023.06
SCRUM Master (consultant)
MoD Ministry of Defence
2019.09 - 2019.11
Senior Project Manager (consultant)
DBT/FCDO UKGov
2018.09 - 2019.06
Lead / Senior Project Manager
Sefton Council
2018.01 - 2018.08
Senior Project Manager (consultant)
Home Office/DEFRA
2017.04 - 2018.01
Senior Project Manager
Home Office UKGov
2016.10 - 2017.04
Senior Project Manager – ACAS
Ministry of Justice UKGov
2013.06 - 2016.10
Project Manager
JLT Insurance
2012.06 - 2013.06
Project Manager
Morgan Stanley Fixed Income & Derivatives
2004.08 - 2007.01
Networking Engineer
Capita HQ
2004.02 - 2004.08
Server Engineer
House of Commons
1996.04 - 2002.10
A-Levels - Geography; Biology; English Lit
St Joseph's RC Comprehensive School
1989.09 - 1991.06
9 x GCSE's - Maths and English
St Joseph's RC Comprehensive School
1984.09 - 1989.06
BSc (Hons) - Biology
Imperial College of Science And Technology