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SLSI Hires Chris Machenberg

SLSI Hires Chris Machenberg

December 15, 2025

The Short Line Safety Institute (SLSI) welcomes Chris Machenberg as the organization’s new hazardous materials (hazmat) program director. Machenberg succeeds John Walsh, who is retiring.

Click here to view SLSI’s press release.

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About

The Short Line Safety Institute (SLSI) is a non-profit organization that conducts Safety Culture Assessments, provides Hazardous Material Instructor, Leadership Development, and Structured Problem Solving programs, and is the educational, training and research source for short line, regional, historic, tourism, passenger, and commuter railroads concerning safety culture. The SLSI heightens safety culture awareness through assessments, feedback, research, communication, and identifying opportunities.

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Phone: (202) 567-2821

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