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Our Team

Roy BelsonHover Image

Roy Belson
Investment Sales & Leasing
S.V.P. RE/MAX One Commercial

Roy Belson is a veteran in the commercial real estate and development world. Roy Belson has over 35 combined years in Real Estate and Real Estate-related services. His commercial real estate background and acquisition/disposition experience places him in a unique position to have a perspective of innovation and the  repurpose of buildings for future uses.



Prior to real estate Roy Belson owned a  Custom Treatment Inc. a large interior contracting firm, contracting and subcontracting field for almost 20 years, servicing the largest commercial architect and design firms in California. He has worked with some of the most prestigious names in their respective industries, such as:

  • Transamerica Corporation
  • Prudential Securities
  • Walt Disney Engineering
  • Warner Bros. Entertainment
  • MGM Hotel- Las Vegas
  • Kaufman and Broad
  • United Artists
  • State of California
  • Edward Air Force Base
  • UCLA Campus and Medical Centers
  • University of Southern California campus
  • Blue Cross of California



Roy and The Belson Group offer a solid understanding of commercial acquisitions from land through the entitlement process and property development. The Belson group has a great understanding of the value of a project from the ground up.

Roy’s value-add proposition to his clients is through his environmental services including available state and federal credits and cost segregation which adds to the return on investment to every project the team is involved in. The team also looks at all aspects of an investment property and makes recommendations on how to maximize the properties R.O.I.
Roy runs a dynamic commercial management team that assists  brokers and agents with commercial real estate.
Roy has owned and operated both Commercial and Residential RE/MAX franchises.
His insights are a valuable asset to the team as we strive to see into the future as to what other uses of a property we acquire can be utilized for.
Brian HennesseyHover Image

Brian Hennessey
Senior Sales Investment
CEO of Westridge Realty Partners

Brian has been in the commercial real estate industry for over 36 years.  He has a broad range of experience from, commercial brokerage, acquisition/disposition executive for a major investor and his investment firm. 


He syndicated 350,000 square feet of office properties in Houston, Texas with a five-building office portfolio with over 60 tenants which included, ITT Technical School, CVS Pharmacy Regional Offices, and other major and notable tenants. He added an additional $700,000 in rental income the first 16 months of ownership and maintained over 80% occupancy during the 37-month hold.


With over $2Billion in sale and lease transactions during his career, a wealth of experience and lessons were acquired.


As a tenant rep broker, he has represented Bank of America, The Walt Disney Company and Baxter Healthcare on several assignments.


He is also the author of three commercial real estate books including, “The Due Diligence Handbook for Commercial Real Estate”, a #1 Bestseller on Amazon, “The How to Add Value Handbook for Commercial Real Estate” and “The Residential Agent’s Handbook for Commercial Real Estate”.


He speaks regularly at several real estate organizations and institutions such as, University of San Diego, Burnham-Moores Center for Real Estate, University of California, Los Angeles Extension, CCIM and many Boards of Realtors and investor groups.

Dan MurphyHover Image

Dan Murphy
VP of Commercial Sales and Leasing
RE/MAX One Commercial

Dan Murphy is a top-producing real estate agent in California. Has been awarded multiple Top Production awards throughout his career. Dan is true real estate professional, having been in the real estate industry for over 19 years. Graduating from California State Polytechnic University, he earned a Bachelors in Business Marketing.


Dan is a member of our RE/Max One Commercial division. He is experienced in sales and leasing, having recently taken part in the sale of We Store It Self Storage Center, Bulldog Industries, and Industrial warehouse in Huntington Park. Dan Murphy places a strong emphasis on client relations, prioritizing his clients needs first. He continues to provide great results on behalf of his clients whether they are buying or selling a commercial property. Licensed in both California and Tennessee, Dan Murphy is able to provide in-depth analysis and conduct his due diligence to ensure your purchase or sale comes to be the greatest possible course of action you ever made.

Main ImageHover Image

Ray Mederos
Investment Sales & Leasing
RE/Max One Commercial

Ray Mederos is the administrator of operations of The Belson Group International, part of RE/MAX One-Gold Nation-commercial division. He performs competitive marketing campaigns for our team and thrives to increase our exposure within the commercial real estate market. He analyzes current social market trends and creates key marketing presentations for our company. He works on strategizing and organizing objectives to attain the highest results possible through marketing. Ray has a passion for learning and growing within our team. Prior to Belson Group he worked as a data analyst overseeing sales and inventory at Golden Bolt LLC. Ray has years of experience in operations management at Smart and Final LLC. He had the pleasure to oversee day-to-day operations within the retail store location. Ray’s knowledge in the retail and warehouse industry is an asset to The Belson Group Team.

Marika ErdelyHover Image

Marika Erdely
CEO of Green EconoME

Marika is a member of our team.  It is considered essential data in our due diligence of investment properties to know how and where we can optimize savings and increase efficiencies with energy usage.

Marika Erdely is the founder and CEO of Green EconoME, a full-service Energy Consulting and Construction Company located in Santa Monica, CA. 

Green EconoME’s services include:

  • Energy Disclosure compliance for the City of LA (EBEWE) and the State of CA (AB 802)
  • Energy audits
  • Design and installation of energy and water saving retrofits
    • LEDs, HVAC control, energy monitoring, window film, EV charging
  • Measurement and verification of the projected savings
  • Energy analysis for new developments to operate at a higher efficiency
  • Application and awareness of available utility incentives
  • Renewable energy projects 


Marika acquired her Contractors License B (#1001368) in 2007 and C-10 in 2018. Marika is a LEED AP BD+C (Building Design and Construction), a Certified Energy Auditor and a Fitwel Ambassador. Marika holds an MBA from Pepperdine University and a BA in Business Economics from UCSB.

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