Darren Tappen,
Peter Beauchamp &
Nathan Thinnes

Investment Brokerage Team

Darren Tappen

Senior Vice President | Managing Director T 602.513.5112 LIC N° SA510719000 darren.tappen@kidder.com vCard View Profile

Peter D. Beauchamp

Senior Vice President | Shareholder T 949.557.5010 LIC N° 01151023 peter.beauchamp@kidder.com vCard View Profile

Nathan Thinnes

Senior Vice President T 602.513.5164 nathan.thinnes@kidder.com vCard View Profile

The Kidder Mathews Investment Services team of Darren Tappen, Peter Beauchamp & Nathan Thinnes have over 60 years of combined commercial real estate experience, with a focus on investment sales throughout the Southwest Region. In addition to traditional investment sales, they specialize in representing some of the industry’s top special servicers, lenders, receivers and attorneys in dispositions, strategic consulting, valuation and transactional matters aimed at maximizing asset recovery.

Recognized among experts in the field of commercial investment property assets, the team has consistently been named as top performers within the Southwest Region and boasts accumulated career transactions valued at more than $1.8 billion. Years of collective industry experience and extensive market knowledge is what positions this investment team to make the best, most informed decisions for their clients; seamlessly working together to deliver results that meet & exceed expectations.

Team Members

Darren Tappen is a recognized expert in the field of commercial investment property assets in Arizona and the western region. Major banks, private equity funds, insurance companies, institutional investors and developers rely on Darren for his expert advice. Darren’s expertise includes REO dispositions, foreclosures and CMBS re-stabilization/disposition. Respected for his specialized knowledge and service-first approach, Darren leverages the Kidder Mathews platform to deliver high quality service across the full range of commercial property types. He is currently the managing director of the firm’s Phoenix office and is active throughout California and the rest of the Kidder Mathews states in the west by collaborating with other market experts.

pete beauchamp team headshot

Peter Beauchamp represents a wide variety of clients in the marketing and disposition of commercial assets throughout the western region. Noted as an expert strategist and transactional advisor with a deep understanding of capital markets, he is regularly referred into assignments by the industry’s most respected financial institutions, private equity funds, special servicers, receivers and attorneys to formulate and execute sale marketing plans aimed at optimizing value. Pete also leads transaction teams responsible for underwriting, valuing and negotiating for the acquisition and/or dispositions of real estate secure loans sold by banks, insurance & finance companies and loan servicers or designated advisors.

nathan thinnes team member headshot

Nathan Thinnes has been involved in over $1 billion of transactions primarily in the western United States. His diverse skill set was garnered through stints in investment banking, multifamily acquisitions, and investment property brokerage. Having transacted with a wide variety of buyers, including private capital, family office, funds, institutions and REITs, Nathan is a highly regarded commercial real estate professional who leverages his financial acumen across various product types including office, multifamily, industrial and retail.

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Team Brochure

The Kidder Mathews Investment Services team of Darren Tappen, Peter Beauchamp & Nathan Thinnes have over 60 years of combined commercial real estate experience, with a focus on investment sales throughout the Southwest Region. See what the team can do for you.


Margery Longstreet
Manager/Special Assets

Genworth Financial

John Mitchell
Senior Vice President

LNR Partners

Steve Gardner

Pacific Premier Bank, FSB

Alan Williams
Senior Vice President

KeyBank Real Estate Capital

Mike Jenkins
Vice President

KeyBank Real Estate Capital

William M. O’Connor

Thompson & Knight LLP

Donna Cummings
Vice President

Wells Fargo Bank, Special Servicing

Jorge R. Rodriguez
Vice President

Torchlight Loan Services

Rob Hawes
Chief Credit Officer


Eric Berardi

Kilpatrick Townsend & Stockton

Jeffrey S. Pitcher

Stinson Leonard Street

Chris Neilson
Managing Partner


David Stapleton

Stapleton Group

Laura Macwilliams
Director, Credit & Asset Mgmt


Ian Lagowitz
Reo Management

IVL Group, LLC

Eric Sitman

Taconic Capital Advisors

Curt Spaugh

The Situs Companies

David Bortnick
Asset Manager

CW Capital Asset Management