Mark Diesch

Q: What is Mark Diesch email address?

Email Mark Diesch at mark.diesch@sbcglobal.net and diesch@lennox.com. This email is the most updated Mark Diesch's email found in 2026.

Q: How to contact Mark Diesch?

To contact Mark Diesch send an email to mark.diesch@sbcglobal.net or diesch@lennox.com. (updated on June 26, 2025)

Chief Engineer - Residential Products at Lennox International | Roanoke, Texas, United States

About Mark Diesch

Mark Diesch currently serves as the Applied Research Team Leader at Lennox International, where he leverages his extensive engineering expertise to drive innovation and operational excellence across the organization. In this strategic role, Mark oversees lab operations and residential systems engineering, ensuring that product development aligns with market demands and company standards. His leadership in engineering standards and excellence initiatives fosters a culture of continuous improvement, enabling the team to optimize processes, reduce waste, and accelerate time-to-market for new products.

A key focus of Mark’s role involves serving as the Technical Oversight Authority for multiple residential engineering sites, where he provides guidance on complex technical challenges and ensures adherence to rigorous quality and safety standards. His deep knowledge of product development, combined with proficiency in ERP systems and engineering management, allows him to streamline workflows and enhance cross-functional collaboration. Mark’s expertise in Six Sigma methodologies and lean principles supports his efforts to eliminate inefficiencies and elevate engineering performance.

Throughout his career, Mark has demonstrated a strong ability to build and develop high-performing teams that consistently meet or exceed project goals. His strategic approach to recruiting, leadership, and management has resulted in innovative solutions that give Lennox a competitive edge in the HVAC industry. By integrating his skills in budgets, continuous improvement, and engineering standards, Mark Diesch continues to contribute significantly to Lennox International’s success, fostering a culture of technical excellence and operational agility.

Mark Diesch Work