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EXECUTIVE TEAM

Leadership

Meet Sphera’s executive team. Together, they lead the company in helping us create a safer, more sustainable and productive world.

paulmarushka

CEO and President

Paul Marushka

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Lisa Agona

Chief Marketing Officer

Lisa Agona

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General Counsel

Michelle Belew

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Chris Gutheil

Chief Technology Officer

Chris Gutheil

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Kimberly Kolb

Chief Human Resources Officer

Kimberly Kolb

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Chief Product Officer

Naved Siddique

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Chief Revenue Officer

John Tully

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markstach

Chief Services Officer

Mark Stach

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RESOURCES

CEO messages

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When regulation meets reality: What 2026 means for Scope 3 reporting

When regulation meets reality: What 2026 means for Scope 3 reporting

Explore the 2026 Sphera Scope 3 Report. See how 1,000+ leaders navigate CSRD and SB 253, moving from…
February 23, 2026
Supplier viability: The paradoxical new center of supply chain risk

Supplier viability: The paradoxical new center of supply chain risk

Sphera CEO Paul Marushka details the 2025 Supply Chain Risk Report: 73% face losses despite high confidence. Bridge…
January 22, 2026
Transforming change into opportunity: Sphera’s AI vision for 2026

Transforming change into opportunity: Sphera’s AI vision for 2026

We advanced the development of Sphera AI, our next-generation intelligence layer designed to give customers greater clarity, precision…
December 17, 2025
Connecting people and AI for Process Safety Management

Connecting people and AI for Process Safety Management

Sphera’s Process Safety Report finds rising AI use but falling confidence. Learn why balancing tech with human insight…
November 19, 2025
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