Our Team

Akayla Amato, Accounts Payable

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aamato@gartproperties.com 

720-490-4828

Akayla joined Gart Properties in December 2016 as a member of the accounting team.  Akayla is responsible for processing invoices and issuing payments.  She also works directly with vendors and in-house employees.  Akayla has been in the accounting industry for 12 years and finds real estate accounting to be very interesting and fun.

Hometown: Akayla is a Colorado native.

Interests outside of work: Akayla enjoys planting vegetable and flower gardens.  She loves anything associated with arts, crafts, cooking and reading.

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akrantz@gartproperties.com

303-270-0358

Alexander joined Gart Properties as their financial controller in August of 2017.  He oversees the accounts payable and financial accounting departments for Gart Properties.  Prior to joining the company, Mr. Krantz spent eight years working with some of Colorado’s most prominent real estate companies.  His diverse background includes experience with industrial REITs (DCT Industrial Trust), residential homebuilders (Richmond American Homes), and multifamily housing management REITs (Archstone Communities). He is a proud first generation Colorado native and a graduate of the Leeds School of Business at the University of Colorado at Boulder.

Hometown: Greenwood Village, CO

Interests outside of work: Traveling, BMW Car Club Time Trial Racing, Snowboarding, Hiking, and Camping

Autumn Miller, Leasing Assistant


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amiller@gartco.com

303-270-0359

Autumn spent several years working in Bookkeeping and Retail Management, she joined The Gart Companies team in January 2013 as the Front Desk Coordinator for Executive Suites, as well as assisting with administrative roles within the Gart Industries.  In 2018 Autumn took on a new role working with Gart Properties as Leasing and Property  Assistant.

Hometown: Autumn is a Colorado Native.

Interests outside of work: Autumn enjoys music, concerts, books, computers, fashion, psychology, hiking, traveling, and her dog Vader.

Cheryl Portugal, Executive Assistant

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cportugal@gartproperties.com

303-336-0287

Cheryl joined Gart Properties in January 2016 as the executive assistant to Mark Sidell.

Before joining Gart, Cheryl’s professional experiences were in the hospitality and legal industries.

Hometown: A native to Colorado, you can find Cheryl enjoying the many outdoor activities this beautiful state and the Rocky Mountains have to offer.

Interests outside of work: Some of her favorites include hiking, jogging, camping, golf, yoga, catching up with friends on a patio, and cheering for the Denver Broncos.

David St. Germain, VP of Finance

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dstgermain@gartco.com

303-777-1920

David returned to work for the Gart family as their V.P. of Finance in March 2017, overseeing the finance and accounting function for Gart Companies, Gart Properties, Swoozies and Powderhorn Ski Resort.  David was previously the Controller of Specialty Sports Venture, the sporting goods retail business of the Gart family from 1996-2010.  From 2010-2014, David continued his Controller role at Vail Resorts for their retail division. David initially worked for Ernst & Young out of college, after graduating from Regis University with B.S.degree in Accounting.

Hometown: David is a Colorado native, and grew up in Arvada.

Interests outside of work: David is married with three boys.  He enjoys sports and being outdoors, playing golf, biking and hiking.

Derek Henry, Leasing Agent


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dhenry@gartproperties.com

303-336-0293

Derek has been a Leasing Agent with Gart Properties since 2006. He is responsible for the leasing efforts of over 5 million square feet of retail space throughout the Denver metro area. He began his commercial real estate career in 1998 with General Growth Properties and has held a multitude of positions ranging from General Manager to Group Vice President of Business Development. Derek graduated from the University of Northern Iowa with a degree in Business Administration.

Hometown: Marshalltown, Iowa

Interests outside of work: Derek lives in Highlands Ranch with his wife and two boys. He enjoys hiking, camping, cycling, the Colorado Rockies and spending time with his family.

Evan Gart, Financial Analyst

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egart@gartproperties.com 

303-801-3343

Evan is the Financial Analyst for the Company’s property acquisition team. He is responsible for evaluating investment opportunities including providing financial analysis, market research and due diligence. Prior to joining Gart Properties, Evan worked for SLATE Partners, a Denver-based investment bank that specializes in the building materials and building services sector. Evan received his BBA in Finance from the Cox School of Business at Southern Methodist University.

Hometown: Evan is a fifth generation Colorado native.

Interests outside of work: Fly fishing, skiing, golfing, cycling and traveling.

Jaimie Hayden, Denver Pavilions, Office Manager


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jhayden@gartproperties.com

303-260-0001

Jaimie is responsible for the overall day-to-day operations of the Management office for the Denver Pavilions.

Jaimie comes to Gart Properties in May 2017, with extensive office and customer service experience, primarily in the education sector.

Hometown: Broomfield, CO

Interests outside of work: Jaimie loves the outdoors, music of any kind, reading (preferably science fiction or how-to books) and finds volunteering especially rewarding.  Family fun is especially high on her priority list, especially when it involves acting silly with her grandchildren.

Kevin Newby, Staff Accountant

knewby@gartproperties.com

303-336-0307

Kevin joined the Gart Properties team in March of 2018 as Staff Accountant with a degree from Regis University. He is a massive Denver Bronco’s fan, during his time off you can catch him at or watching a game.

Hometown: Kevin is a Colorado Native, raised in Arvada.

Interests outside of work: Kevin has two boys, he enjoys spending as much time with them as possible or playing a round of Golf.

Kyle Koch, Property Manager

kkoch@gartproperties.com

303-449-8488

Property Manager for Gart’s northern portfolio with properties in Arvada, Boulder, Fort Collins and Westminster.

Kyle has been with Gart Properties since December 2017 and in the industry since 2011.

Hometown: Colorado Springs, Colorado.

Interests outside of work: Kyle is an avid sports fan, from watching baseball and hockey to playing inline hockey.

Mark Sidell, President

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msidell@gartproperties.com

303-399-2555

Mark Sidell has been president of Gart Properties since 1999 and is a partner in all of the company’s real estate investments. He is responsible for leading the organization including an aggressive acquisition program and continued execution of niche development opportunities. Prior to joining Gart Properties Mr. Sidell was a principal with Trammell Crow Company where he enjoyed a 13 year career in the Colorado real estate market. Mark serves on the board of several Denver community agencies including the Downtown Denver Partnership, the Allied Jewish Federation of Colorado and the Jewish Community Foundation. He is also an involved member of the Young Presidents Organization, and the International Council of Shopping Centers. Mark is a real estate industry veteran with more than 25 years of experience and holds an MBA in Real Estate and Construction from the University of Denver and received his undergraduate degrees in Construction Management and Business Administration from Washington State University. Mark is married with two children.

Matthew Trasen, Project Manager & Tenant Coordinator

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mtrasen@gartproperties.com

303-270-0327

Matt is the project manager for the company’s diversified retail, office and resort properties portfolio overseeing multiple projects throughout the state simultaneously. An integral part of development teams in over three million square feet of real estate, he recently completed the renovation of the Denver Pavilions which includes two city blocks on the 16th Street Mall and The Village Shopping Center in Boulder. Matt participated in the Downtown Denver Partnership Leadership Program in 2010.

Matt’s career in real estate project and construction management in Denver began in 1997. He has been with Gart Properties since 2005.

Hometown: Matt is a Colorado native.

Interests outside of work: Ironman triathlete, skier, and golfer. He lives in Denver with his wife, Jodi, and family.

Sean Kidston, Property Manager

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skidston@gartproperties.com

720-490-4825

Property Manager for Saddle Rock Village, Micro Center, City Center, Willow Run, West Vail Mall, and the Milwaukee Campus as well as the Gart Properties liaison relative to Seasons at Avon, 6th Avenue Commons, 950 Nottingham, and Twin Peaks Square.  He also serves as our Director of Property Management leading the property management team.

Sean has worked in commercial property management since August 1998, with a background in public relations.

Hometown: Sean is a Colorado native now living in Parker.

Interests outside of work: He is the proud father of his son, Riley, and enjoys coaching, sports, boxing/kick boxing, and the outdoors.

Stacia Bank Delaney, General Counsel

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sdelaney@gartco.com

720-775-6992

Stacia acts as legal counsel to The Gart Companies, Inc. and the various entities in which it has interests.

Stacia earned her J.D. from Vanderbilt University and has practiced law in Colorado since 1993, initially with a boutique real estate law firm and later with larger full-service Denver based law firms.  Stacia has worked with The Gart Companies, Inc. and its various entities throughout her practice and joined The Gart Companies, Inc. as General Counsel in 2016.

Hometown: Stacia lived in Columbus, OH and Little Rock, Arkansas before settling in Colorado in 1993.

Interests outside of work: Stacia enjoys skiing, reading and traveling.  Stacia has two teenage children who also keep her busy.

Stephen Chavez, Denver Pavilions, Property Manager


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schavez@gartproperties.com

303-260-6001

Steve is responsible for projecting and implementing budgets to maintain and maximize value. He creates positive owner-tenant relations to retain occupancy and improve leasing prospects. Steve works closely with the entire Gart team and reports to the President.

Steve has been with Gart Properties since 1996 and in the industry since 1979.

Hometown: LaJara, CO
Interests outside of work: Steve lives in Denver with his wife and two children. He enjoys Skiing and bicycling.

Steve Gonzales, Gart Companies, Executive Assistant/Lease Administrator


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sgonzales@gartco.com

303-336-0289

Steve acts as the liaison and office manager for all corporate office tenants. He is the lease administrator for thecollective@299 consisting of 40+ suites, and manages the Gart Companies portfolio websites, brochures and other print collateral. Steve is the executive assistant to Ken, Tom and John Gart.

Steve has been with the Gart Companies since 2004.

Hometown: Steve is originally from New Iberia, Louisiana a small town just North of Avery Island which most are asking where that would be!  Well Avery Island where Tabasco sauce is made and is surrounded on all sides by bayous, salt marsh and swampland.   Steve considers Colorado home since his arrival in 1990.

Interests outside of work: Steve enjoys photography, graphic design, art, Colorado exploration/sightseeing, good old Cajun cooking and spending time with his dogs.

Susan Cantwell, Director of Leasing

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scantwell@gartproperties.com

303-270-0343

Susan Cantwell received her undergraduate degree from Kansas University with a degree in Business Administration and Accounting. After leasing and managing Larimer Square, she worked on the development and leasing of the Denver Pavilions, which she subsequently managed for five years. Susan left to open Belmar, the new downtown Lakewood for Continuum Partners as the Director of Operations and Property Management. Susan joined Gart Properties to continue her career in commercial leasing and as the Director of Leasing is responsible for leasing Gart Properties real estate and handles third party leasing for the company. She is married and has three children and serves on several Denver community boards and committees.

Hometown: Halstead, Kansas

Tyler Olsen, Senior Accountant

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tolsen@gartco.com

720-245-6972

Tyler performs property accountant work at Gart Properties.

Tyler started his career in Accounts Payable at Probuild Holdings in 2009. He worked his way into an Accountant position at CorePower Yoga and has been doing accounting work ever since. In 2017, he joined Gart Properties leaving National Corporate Housing. He received his BS in Accounting at Metro State College of Denver.

Hometown: Aurora, CO

Interests outside of work: Tyler enjoys comics, drawing, music, movies, and board games. He enjoys dressing up at Denver Comic Con every year. He spends most of his free time with his girlfriend going on adventures.

Wendy Manning, Denver Pavilions, Marketing Director


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wmanning@gartproperties.com

303-302-0172

Marketing, branding, public relations, and community outreach for Denver Pavilions.

Wendy has been with Gart Properties since 2009 and has 20+ years of marketing experience. Wendy currently sits on the advisory board for Create Denver as well as the Strategic Marketing & Alliance committee for the Denver Art Museum. In 2003, she was named as one of Brand Week Magazine’s guerrilla marketers of the year.

Hometown: Arvada, CO
Interests outside of work: Wendy is heavily involved with Denver’s artistic community.