About / Team

Commercial Real Estate Solutions for Property Owners Businesses Retailers Restaurants Contractors Medical Providers Investors

We operate as fiduciary advisors, combining disciplined analysis with clear communication and an unwavering commitment to doing the right thing.

OUR STORY

Moving Your Commercial Real Estate Goals Forward.

Rosso Commercial was founded in 2016 with a clear purpose: to build a different kind of commercial real estate brokerage. Born in Annapolis and shaped by years of firsthand experience, the firm was created to elevate commercial real estate advisory in a marketplace where transactions too often outweigh true counsel. From the beginning, our vision was simple—to deliver advisory services at a higher standard, grounded in integrity, professionalism, and genuine relationships. When you build something from the ground up, you treat it differently—and that mindset shaped how we built our firm. We believed clients deserved more than deal execution; they deserved thoughtful counsel, disciplined strategy, and a team fully aligned with their success.

As the firm has grown, so has that belief. Rosso Commercial has evolved into a regionally active, boutique brokerage serving clients across multiple asset classes, while remaining intentionally selective in how and with whom we work. Our growth—both in deal volume and in team members—has been deliberate and measured, never about getting bigger for its own sake, but about protecting a team-first culture rooted in humility, openness, and continuous learning. Collaboration is expected, standards are high, and every assignment is approached with sharper thinking, stronger preparation, and deeper accountability. Our drive to build meaningful relationships and positively impact the communities we serve is central to who we are.

Today, Rosso Commercial is recognized for its strong reputation, market expertise, and a trusted, recognizable brand—but our greatest differentiator remains our people and our approach. We take our role as fiduciary advisors seriously, pairing disciplined analysis with clear communication and a consistent commitment to doing the right thing. As we celebrate our 10th year in business, our mission remains unchanged: to solve our clients’ real estate challenges with world-class professionalism and continue raising the bar for what commercial real estate brokerage can and should be.

PHILOSOPHY & VALUES

Our Core Values

Mission

To solve our clients’ commercial real estate challenges with disciplined, fiduciary-driven advice and world-class professionalism.

Vision

To raise the standard of excellence in commercial real estate brokerage through trust, preparation, and long-term partnerships.

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Client First. Always.

We operate with a fiduciary mindset — placing our clients’ interests above our own and doing what’s right, even when it’s difficult.

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Prepared. Disciplined. Professional.

We bring rigor, experience, and attention to detail to every assignment, reflecting the importance of the decisions our clients are making.

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Long-Term Relationships Over Transactions.

We measure success in decades, not deals — earning trust through consistency, honesty, and results across market cycles.

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Local Expertise. Real Perspective.

As a locally owned firm, our advice is grounded in firsthand market knowledge, deep relationships, and real-world experience.

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Accountability Without Excuses.

We set clear expectations, communicate proactively, and take ownership of outcomes — always.

Your goals fuel our work, and your trust fuels our growth.

OUR TEAM

Meet the Team

John A. Rosso Jr., SIOR

Principal

Gene Parker

Principal

Ryan Brassel, SIOR

Principal

Colin Lennon

Senior Vice President

Ross Westholm

Senior Vice President

Laura Westervelt

Vice President

Ryan J. Brant

Senior Sales & Leasing Associate

Brooke Austin-McAdam

Sales & Leasing Associate

Tyler Barnett

Sales & Leasing Associate

Erin Bleacher

Marketing & Media Manager

Gary Westholm

2013 | 2015 | 2016 | 2017 | 2018 | 2022 | 2023 | 2024 | 2025

2018 | 2019 | 2020 | 2024 | 2025

2019 | 2020 | 2021

OUR VALUES

Rosso Commercial
in the
Community.

At Rosso Commercial, we take pride in our commitment to giving back and fostering strong community connections. We are  supporters of impactful organizations such as:

  • The Community Foundation of Anne Arundel County
  • Fish for a Cure
  • Anne Arundel Community College Foundation
  • Rise and Shine Bakery
  • Annapolis Touchdown Club
  • Annapolis Blues Football Club
  • West Annapolis Business Association
  • Anne Arundel Medical Center/Luminis Health Foundation
  • Lustgarten Foundation – Research & Awareness for Pancreatic Cancer

 We strive to make a meaningful difference and believe that by investing in our local community, we contribute to its growth, resilience, and success.

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