Leadership Team

Jeff Erdly, CEO & Co-Founder 

Jeff Erdly is MPS's chief problem solver. Responsible for initial investigation, pilot projects, analysis, and remediation recommendations on all MPS projects, Jeff co-founded Masonry Preservation Services in 1985. Jeff is a nationally renowned authority on masonry preservation technology. He frequently speaks to industry and professional groups on masonry and facade inspections and repair technologies and has written numerous papers and articles for the masonry restoration industry. Jeff is co-editor of three ASTM Special Technical Publications. Jeff also received the E. George Stern Award of Excellence from ASTM International Committee E06 of performance of buildings in 2015.



Gregg Bekelja, President 

A member of the MPS team  for more than 10 years, Gregg Bekelja is responsible for project estimating, procurement, project management, and implementation of corporate safety guidelines. He also handles day-to-day business operations. Gregg is a Sika Corporation Approved Applicator, a Neogard Corporation Approved Applicator, and a Master Builders Technologies Applicator. He is a former member of the Sika Corporation Mid-Atlantic Approved Contractor Advisory Council. 




Erik Valentino, Vice President

An architectural engineer specializing in building envelopes, Erik Valentino contributes a solid background in consulting engineering to the MPS team, with strong emphasis in repair and restoration of the building envelope and condition assessment of existing facilities. Erik is involved in many aspects of MPS operations, including corporate and client development, field studies to evaluate building envelope deficiencies and failures, development of repair recommendations, and implementation and management of remediation efforts.

Scott Siegfried, Project Manager

Scott Siegfried's contributions to MPS include field studies to evaluate building envelope deficiencies and failures, the development of repair recommendations and specifications, and the implementation and management of remediation efforts. Scott is responsible for forensic assessment of building exteriors, including field evaluation and report development, professional consulting support, development of estimates, and general construction management.