S&OP, demand planning, and supply chain transformation

Walker T. Nolan

Program manager and planning leader building scalable processes, better forecasts, and practical reporting for complex operations.

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Profile

Turning planning complexity into operating rhythm.

Walker has led demand planning, reverse logistics planning, and S&OP programs across Rivian, Sonos, SeaVees, and Deckers Brands. His work blends process design, analytics, change management, and hands-on implementation across fast-moving supply chains.

Selected work

Impact highlights

Rivian

S&OP process redesign

Redesigned the S&OP process, documented workflows and best practices, and built governance and KPI reporting for ongoing improvement.

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Rivian

Forecasting modernization

Reduced forecast error from more than 1000% to 100 plus or minus 20% while developing statistical and automated models for service parts and related programs.

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Sonos and SeaVees

Planning and logistics gains

Supported refurbished sales growth of 42%, improved forecasted inventory turn from 1.02 to 2.08, and reduced average forecasted inventory by 31%.

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Capabilities

What Walker works with

Planning leadership

S&OP, demand planning, supply planning, inventory analysis, and scenario planning.

Systems and data

SAP, Tableau, AWS, SQL, Redshift, Databricks, Anaplan, Kinaxis, and Jira.

Execution

RFPs, business cases, process documentation, stakeholder alignment, and training.

Approach

Clear process, useful data, durable adoption.

Map

Document workflows, decision points, data sources, and ownership across teams.

Model

Build forecasting, reporting, and planning structures that make tradeoffs visible.

Adopt

Align stakeholders, support training, and create governance that lasts beyond launch.

Contact

Need planning leadership that can build and operate?

Reach out for S&OP programs, planning transformation, analytics, or supply chain operating cadence work.

walknol@gmail.com