Simmons + Kourtis has developed a team that has asset managed over 8,300 apartment units in ten states and managed an extensive apartment portfolio.

  • About Us
  • Greg Simmons
  • Pete Kourtis
  • Mandy Mittasch
  • Adam Peck
  • Lori Murray
The company's partners, Greg Simmons and Pete Kourtis, have developed a team that has asset managed over 8,300 apartment units in ten states and managed an extensive apartment portfolio. Their roots in single-family residential home construction enables them to cultivate a strong sense of quality in every aspect of Simmons+Kourtis multifamily residential homes. From a keen perspective on construction design and material usage to the detailed focus on how people live in their spaces, Simmons+Kourtis continually provides incomparable residential solutions.
Greg Simmons, Principal: has grown Simmons Homes from a start-up construction company to one of the most successful real estate companies in the region. After founding Simmons Homes in 1994, Greg used his construction expertise to move into land development and commercial development, assembling a current portfolio of residential, commercial, and multifamily real estate. Greg is a graduate of Oklahoma State University.
Pete Kourtis, Principal: has been in the real estate business since 1983, specializing in construction and development. Since that time, Pete has constructed, developed, and owned highly successful real estate ventures throughout Oklahoma, and is recognized as a land development expert. Simmons and Kourtis have been partners since 1995 and have grown one of most successful real estate companies in the region.
Mandy Mittasch, Management: joined Simmons + Kourtis in 2006 after a 14 year career in the multifamily management business, specializing in marketing, leasing, start-up management, and client relations. Mandy has worked for and with some of the top multifamily companies in the U.S. Mandy is a graduate of Oklahoma State University.
Adam Peck serves as operations manager for Legacy Sales & Leasing and Simmons+Kourtis Multifamily. Peck joined S & K in 2006, and is an expert in mutlifamily and home construction as well as business operations. He is responsible for the strategy and oversight of all construction for Legacy lease properties, as well as the construction and operation of high-end, amenity-rich multifamily projects including 98 in Owasso, Okla., 35 West in Moore, Okla., and 51 at Tradan Heights in Stillwater, Okla. A Tulsa native, Peck holds a Business degree from Oklahoma State University, and resides in Jenks, Okla. with his wife Lauren and their 3 children.
Lori joined Simmons + Kourtis in 2011 after an 11 year career in the multifamily management business, specializing in marketing, leasing, start-up management, and client relations. Murray has worked for and with some of the top multifamily companies in the U.S. including JPI, Greystar Management, and Allen & O’Hara. Murray has extensive experience in student living projects as well as conventional management.