Leadership

The team behind 12Port.

Founded by industry veterans and cybersecurity experts with 25+ years of experience building software that streamlines the management of complex technologies for modern enterprises. Our aim is to deliver cost-effective, high-value security solutions that are easy to implement and manage without overburdening IT teams.

Mark Klinchin, Co-Founder

Mark Klinchin

Co-Founder

Mark co-founded 12Port and leads engineering, architecture, and the technical direction of the platform, including the agentless remote access broker, credential vault, credential rotation engine, and microsegmentation layer.

Mark has deep experience building secure, high-throughput backend systems and brings a pragmatic, systems-oriented approach to every layer of the stack. He works closely with customers on deployment architecture and personally owns some of the trickiest problems in the product.

Peter Senescu

Co-Founder

Peter is a seasoned executive with over 25 years of enterprise security and information architecture expertise. Throughout his career, Peter has been at the forefront of building and scaling successful software companies that deliver practical, high-impact software solutions to protect IT infrastructure.

In 2017, Peter co-founded Xton Technologies alongside Mark Klinchin and Chris Kolodziejski. Xton quickly became a leader in privileged access management (PAM), was acquired by Imprivata in 2021 and now protects over 200 critical enterprise customers.

Previously, Peter and Mark joined forces with Steve Pogrebivsky to co-found MetaVis Technologies, a provider of cloud information management software that served more than 3,000 global customers. MetaVis was acquired by Metalogix (now part of Quest Software) in 2015.

Before diving into entrepreneurship, Peter spent years in leadership roles as VP of Sales and Marketing for enterprise software companies, where he honed his skills in growing businesses and connecting with customers. He holds a B.A. in Economics and resides in the Philadelphia area.

Peter Senescu, Co-Founder

Work with the people building the product.

12Port is small enough that founders still take customer calls. Book a demo and you’ll talk to the people who are accountable for how the product works.

12Port

See it in your environment.

30 minutes. Real screens. A live privileged session against a system you pick.