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Mark Bethmann is President and CEO of BellCornerstone. While his commercial real estate expertise now spans more than 35 years, he began with a large national developer, serving as the Director of Tenant Development. In that role Mark spent many years structuring real estate development projects and negotiating on behalf of the developer, often working against the best interests of the tenants. Throughout this experience, there were continued situations that revealed a serious conflict of interest and lack of transparency that was endemic to the broker/client relationship.
In 1995, Mark took his extensive knowledge and experience to the Tenants’ side of the table, joining forces with The Bell Group. In 2001, he purchased the company, which was later re-branded to become BellCornerstone.
BellCornerstone has emerged as a market leader in Tenant Representation and client advocacy. While continuing to work earnestly in the best interest of all clients, repeated occurrences of those same “conflicts of interest” and “lack of transparency” continued to surface, proving further that the conventional commercial real estate model is clearly misaligned with respect to the tenants and/or buyers and their brokers.

We rolled up our sleeves and set about to recreate a modern tenant advocate service. We departed from the traditional 1099 independent contractor model where agents focus solely on large commissions. We restructured our compensation and created a powerful, uniquely aligned tenant advocate service.

- Mark Bethmann

After years of working towards the right solution to this industry-wide misalignment, Mark has helped pioneer a better way to serve clients with far greater transparency, trust and alignment of financial interest. This innovative approach couples a performance-based client success sharing model with a team-based approach to best serve client needs. Within our team-based approach, each member of the BellCornerstone team brings to bear a unique set of commercial real estate skills, and a project specific team is created and assigned to every transaction.
Mark Bethmann is a well-respected commercial real estate expert and is considered a true thought leader in Tenant Representation. His decades of experience in construction, development, financing, lease negotiations, acquisition and disposition lead BellCornerstone with the necessary tools and knowledge to consistently reduce clients’ real estate occupancy costs and increase their bottom-line.

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