Jeff Greening Founder & CEO
360 HCM
360 HCM was founded to address a consistent gap in large Workday programmes: clients carry accountability for outcomes, but often lack truly senior, client-side leadership focused on control, risk, and executive decision-making.
London, UK
Quick Facts
25+ years ERP experience
Fortune 500 programme leadership
Global delivery across industries
Client & SI dual perspective
Certified Workday Project Manager
Workday Enterprise Delivery Experience
Programme Scale
Multi-year transformations across organisations from 500 to 130,000+ employees. Full-suite and phased deployments.
SI Background
Former senior roles at boutique and Big 4 Consulting Firms. Led programme delivery, managed margins, wrote SOWs, and negotiated change orders from the SI side
Industries
Financial services, healthcare, higher education, manufacturing, and highly regulated environments with data privacy constraints
Complexity
Complex integration landscapes, multi-country rollouts, regulatory compliance, and programmes operating under significant delivery pressure.
What Jeff brings to your Workday Programme
Jeff’s dual perspective - having led programmes from both the client side and the SI side -means he understands the dynamics that most programme sponsors don’t see until it’s too late.
He knows when an SI’s request for additional resources is legitimate and when it’s margin management. He knows when a timeline extension reflects genuine complexity and when it reflects scope mismanagement. He knows what “80% complete” actually means versus what it’s presented as.
This experience directly shapes the COMPaaS model. It is designed for enterprise environments that demand predictability, accountability, and executive-level clarity throughout delivery.
Workday Programme Leadership Approach
Our approach is grounded in clear principles: