Our Team

Kent Diebolt

Kent Diebolt, FAPT

Founding Partner

Kent founded Vertical Access in 1992—pioneering the use of industrial rope access on buildings in the United States. He leads project teams and travels nationwide presenting to architecture and engineering firms, government agencies, and universities about the use of rope access in the restoration and maintenance processes of historic buildings. He has served as President of the Association for Preservation Technology International (APTI) from 2001 – 2003.

Contact Kent at kent@vertical-access.com or 607-227-3366.

Kelly Streeter

Kelly Streeter, PE


Kelly is a licensed structural engineer and partner-in-charge of nondestructive evaluation and access consulting projects on buildings, bridges, and dams. She also leads the development of TPAS® documentation services. Kelly is chairperson for the American National Standards Institute (ANSI) Z359.9 subcommittee on Personal Equipment for Protection Against Falls. She is a frequent presenter at industry associations, a lecturer at graduate level historic preservation university programs, and a SPRAT certified Level III rope access supervisor.

Contact Kelly at kelly@vertical-access.com or 917-749-0998.

Evan Kopelson

Evan Kopelson, AIC


Evan is an architectural conservator with over twenty years of experience in the documentation and investigation of historic buildings. He is partner-in-charge of teams performing existing condition surveys, in situ testing services, and the characterization of building materials and finishes on buildings, bridges, and dams. Evan oversees the production of all project reports and deliverables. Evan is a member of the ASTM Committee E06 on Performance of Buildings, and a SPRAT certified Level II rope access technician

Contact Evan at evan@vertical-access.com or 607-592-9034.

Kristen Olson

Kristen Olson

Technician, Architectural Historian

Kristen joined Vertical Access in 2013 and brings over five years’ experience in historic preservation outreach and technical services, including nominations to the National Register of Historic Places. Kristen has a BA in Studio Art from Colby College, and an MA in Historic Preservation Planning from Cornell University.  She has worked as the project manager and field technician on scores of Vertical Access projects throughout the Northeast and Midwest. She has also presented widely on documentation and inspection techniques to professional organizations and academic programs.  She joins the team of rope access technicians conducting existing conditions documentation and other survey related services. Kristen is a SPRAT certified Level II technician.

Mike Russell

Mike Russell, EIT

Project Manager/Site Safety Supervisor

Mike joined Vertical Access in 2016 bringing with him over six years of experience working in the construction industry, both commercial and residential, specifically relating to project management, sustainable building practices, and restoration in residential and maritime environments. He began restoring boats for the City of Charleston (South Carolina) Maritime Foundation while pursuing a degree in Historic Preservation and Community Planning at the College of Charleston.  Following his switch to the field of engineering, Mike joined a residential construction firm located on the Connecticut shoreline that specialized in the restoration and rehabilitation of barns and historic homes.  From there he went on to join Whiting-Turner, a national contracting firm where he worked as a project engineer on large scale commercial projects before joining Vertical Access in the summer of 2016. Mike is a SPRAT Level III certified rope access supervisor.

Patrick Capruso

Patrick Capruso


Patrick joined Vertical Access in 2016. Prior to Vertical Access, Patrick was employed at Boston Valley Terra Cotta as a production finisher, shaping clay for architectural ornamentation. Projects ranged from the restoration of historic landmarks to the manufacturing of abstract elements for contemporary design. His experience, skill and keen eye for recreating architectural ornaments translates into detailed technical documentation of building conditions at Vertical Access. In addition to on site field work, Patrick’s responsibilities include project coordination and preparation of final report deliverables. He is a SPRAT certified Level III rope access supervisor.

Daniel Gordeyeva

Daniel Gordeyeva


Daniel Gordeyeva joined Vertical Access in 2019. A tree climbing instructor with Cornell Outdoor Education, Daniel assists with AutoCAD and is a SPRAT certified Level I rope access technician. He graduated from Rensselaer Polytechnic Institute, majoring in Sustainability Studies and Economics. He has also served as a Back Country Steward with the New York State Department of Environmental Conservation and as an Operations and Maintenance Solar Electrician with EMT Solar works.

Erin Bullard

Erin Bullard, CPSM

Director of Marketing and Business Development

Erin Bullard joined the firm in early 2017 as Director of Marketing and Business Development supporting our Vertical Access, Alta Access, and TPAS services. She brings more than 10 years of experience in the A/E/C industry. She is a Certified Professional Service Marketer through the Society for Marketing Professional Services, and Vice President of the SMPS Upstate New York Chapter. She recently joined the rope access team for some basic skills training during their annual training session, and has a whole new appreciation for what her coworkers do out in the field!