• 6900 E. 2nd Street Scottsdale, AZ 85251
  • Opening Time: Monday - Friday: 9:00 am to 5:00 pm
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    Office: 480.612.0510, Mobile: 480.231.3473

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Greg Saltz, President



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Greg Saltz

As a seasoned real estate executive with entrepreneurial approach, Greg adds strategic insight throughout the sales process. Greg founded GPS Commercial Advisors in 2014 after 14+ years in commercial brokerage with a successful track record leasing over 10M square feet of retail space.

He held prior roles with Phoenix Commercial Advisors and DeRito Partners, Inc. where he was recognized as top producer for three years running. Greg launched the entry of publicly-traded Natural Grocers into the Phoenix market and was heavily involved in Dutch Bros. Coffee’s expansion throughout Arizona.

He currently represents high-profile clients including Dutch Bros., Eegee's, Taco Bell, KFC and Natural Grocers. Greg was awarded CoStar’s Power Broker Award in 2014, 2015 and 2016. He holds leadership roles with The Jewish Federation, Chabad of Arizona and The Aji Network and has been a licensed Broker in the State of Arizona since 2002.

Marty Olejarczyk, Principal


C: 602.762.0754

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Martin Olejarczyk

A highly skilled commercial retail broker with a relationship focus, Marty brings over 30 years of experience in all aspects of retail brokerage and development to the team.

Prior to becoming a Partner at GPS, Marty was a Principal at Retail Brokers, Inc. and DeRito Partners, Inc., two of the largest and most prestigious brokerage firms in Arizona.

Marty has an exceptional reputation in the industry for representing national retail chains in Arizona and other markets throughout the United States; he is currently representing quality tenants including Ace Hardware, Dutch Bros., Eegee's, Kahoots, Costa Vida, and many others.

Marty is a Veteran of the US Air Force, active in his Church Community, and enjoys skiing, water skiing, biking, scuba diving, and many other activities with his wife and kids.

Steven Hansen, Retail Leasing & Investment Sales


C: 602.384.5621

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Steven Hansen

Steven joins the GPS Commercial Advisors team after nearly a decade as a real estate professional in New York City. Steven has worked on both the brokerage and development sides of the business, holding wide-ranging portfolios. This list includes some of the largest, most prominent developers in the country both locally in New York City as well as national institutional investors.

Through a combination of relentless work ethic and unwavering loyalty, Steven has developed a strong reputation for consistently delivering outstanding results for his clients.

Originally from Arizona, Steven is excited to bring his knowledge and experience to his new role and a thriving market. Steven obtained his Bachelor of Business Administration from Northern Arizona University.

Jennifer Hill, Vice President of leasing and sales


C: 602.616.4477

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Jennifer Hill

Jennifer Hill began her career in commercial real estate over 25 years ago, specializing in ground-up development, owner and retailer representation and investment sales. Her tribal knowledge, creative dealmaking strategies, methodical attention to detail and a high level of energy on behalf of her clients sets her apart. Jennifer strives to uphold personal, core values: high integrity, professionalism, speed, responsiveness and service to her clients. She earned the Centurion Award at SVN in 2018 and has a Bachelor of Science in Marketing.

Prior to joining GPS, Jennifer has held prior roles with RED Development, Westfield Corporation, SVN Desert Commercial Advisors, Locate, Diversified Partners, and Menlo Group where she has leased/sold over a million square feet of retail space in Arizona and abroad. Jennifer is an active member of the International Council of Shopping Centers (ICSC), the Veterans of Foreign Wars Ladies Auxiliary Post 1760, the Board of Directors of G.I. Joe Coffee Company, a Falcon Business Alliance Member, a Housing & Community Development Advisory Board Member for the City of Mesa, a member of Central Christian Church and has been licensed in Arizona since 2003.

Jordan Mishlove, Associate


C: 602.931.2191

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Jordan Mishlove

Jordan Mishlove joined GPS Commercial Advisors in 2024 as an Associate, bringing with him his experience in development within the retail sector. Jordan’s professional career began when he worked in foreign policy where he worked closely with many Arizona business leaders. In this role, Jordan oversaw an extensive investor portfolio where he built key relationships that pushed policy forward.

Born and raised in Phoenix, Jordan possesses an intrinsic understanding of the local landscape, which serves as a valuable asset in his new role. Jordan’s expertise shines in his capacity to locate and finalize transactions. His vast network and industry ties empower him to spot opportunities and forge strategic partnerships.

Jordan earned an MBA from WP Carey School of Business at Arizona State University and graduated with his bachelor’s degree in political science from San Diego State University. Outside of the office, Jordan spends his time hiking and camping and is actively involved with local and national organizations such as Outdoor Outreach, OneTable, and AIPAC.

Jannene Burr, Transaction Manager


C: 602.292.6497

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Jannene Burr

We are pleased to welcome Arizona native, Jannene Burr, to the GPS Commercial Advisors team. With a strong background in professional administrative services, Jannene brings valuable expertise in accounting, billing, and transaction coordination. She is committed to fostering a positive company culture and is often recognized for going above and beyond her role to assist with various assignments.

Prior to joining GPS, Jannene earned her associate's degree in science from South Mountain Community College and pursued a teaching career fueled by her passion for child development. Fluent in both English and Spanish, she has made a meaningful impact on the lives of numerous youths in the valley, serving not only as an educator but also as a mentor and friend providing guidance.

Beyond her professional endeavors, Jannene enjoys embracing the outdoors, whether it's exploring nature, tending to her garden, or simply indulging in quiet moments reading scriptures at a local coffee shop.