Stacey Costello

Stacey Costello serves as a Senior Vice President for Partner Valuation Advisors.  Ms. Costello has extensive experience in the valuation of regional shopping malls, lifestyle centers and power centers located throughout the continental U.S. Additional retail assignments have ranged from freestanding retail assets to neighborhood/community centers. Her experience also includes the valuation of proposed developments, redevelopment projects and distressed assets. Clients served include commercial banks, law firms, governmental entities, pension fund advisors, REITs, life insurance companies and individual investors. Ms. Costello has more than 10 years of experience as an appraiser within the real estate valuation and advisory services sector. Prior to Partner Valuation Advisors, 

Ms. Costello worked at Jones Lang LaSalle and CBRE.

Shawn-James O’Connor

Shawn-James O’Connor serves as Executive Vice President within Partner Valuation Advisors. He has specialized in senior housing and health care for 23 years working on valuation and consulting engagements related to a wide variety of seniors housing and health care properties, including nursing homes, assisted living facilities, independent living facilities, CCRCs, acute care hospitals, ambulatory surgery centers, and medical office buildings.

Mr. O’Connor has experience in conducting market/feasibility studies, FNMA regulatory compliance and management consultant reports, Fair Market Value of Debt reports, HUD/FHA along with Fannie Mae and Freddie Mac compliant reports, and valuation services on more than 2,000 existing, proposed, and shuttered seniors housing and health care assets in 49 states, the District of Columbia, and Canada.

Since 2008 he has provided hundreds of in-depth, comprehensive appraisals nationally with regard to multi-level care retirement campuses; CCRCs comprising entry-fee and lifecare components often focusing on the asset’s unique economic and functional obsolescence.

Since 2016 he testified as an expert witness on behalf of petitioners (including Brookdale Senior Living; Bonaventure Senior Living; Vi Living; and Spectrum Retirement in front of Colorado’s State Board of Assessment Appeals Court; Arizona’s State Board of Equalization; and Missouri’s Board of Equalization.

Shane Nicholson

Shane Nicholson serves as Vice President at Partner Valuation Advisors. Mr. Nicholson has over five years of commercial real estate appraisal experience. Throughout Mr. Nicholson’s appraisal career, he has appraised industrial, office, retail, and multi-housing assets across the United States. Over the past several years, Mr. Nicholson has begun to specialize in appraising manufactured housing communities (MHC) and conventional multi-family assets. Mr. Nicholson has significant experience in appraising manufactured housing communities (MHC) across the United States. Mr. Nicholson also has experience leading and appraising large national portfolios. Mr. Nicholson is proficient in Discounted Cash Flow analysis including Argus Enterprise. Along with Mr. Nicholson’s appraisal experience, he has managed and mentored numerous members of his team and has been a top appraiser at his prior firm for the past two years.

Prior to Partner Valuation Advisors, Mr. Nicholson served as an Associate at JLL Valuation Advisory from 2017 – 2022. Prior to JLL Valuation Advisors, Mr. Nicholson worked as an Intern at Iowa Appraisal and Research Corporation from 2016 – 2017.

Mr. Nicholson is a graduate of Drake University and is licensed in Iowa and Illinois.

Patrick McCrae

Patrick McCrae serves as Director of Partner Valuation Advisors.  Mr. McCrae has over 18 years of commercial real estate experience appraising retail, office, industrial, multifamily, hotels, and special-use assets throughout the United States.  For the past 15 years, Mr. McCrae has specialized in the appraisal of seniors housing properties.  Additional experience includes preparation and desk review of consulting and valuation reports, market studies, and cash flow analysis reports for owners/developers, insurance companies, pension fund advisors, government agencies, commercial lending institutions, and investment companies.  Mr. McCrae has also provided litigation support services and has been deposed as an expert witness relating to the valuation of seniors housing assets.

In addition, Mr. McCrae was appointed for several years as a Special Magistrate for the Value Adjustment Board of Hillsborough County, Florida.  In his role as Special Magistrate, Mr. McCrae provided over tax appeal hearings and provided written recommendations to the Value Adjustment Board in compliance with Florida Statutes regarding ad valorem taxation.

Prior to joining Partner Valuation Advisors in 2023, Mr. McCrae spent six years as a Senior Director at JLL Valuation Advisory focused on the valuation of seniors housing assets.  From 2005 -2017, Mr. McCrae served as a Director of Integra Realty Resources – Tampa Bay.

Natasha Khan

Natasha Khan serves as a Vice President with Partner Valuation Advisors. Ms.Khan has 10 years of commercial real estate experience with six years of commercial real estate appraisal experience working on multifamily, manufactured housing, industrial, retail, office, raw and developed land, marinas, residential subdivisions, and self-storage assets. Ms. Khan currently focuses on multifamily and manufactured housing community (MHC) assets and has appraised properties all throughout the United States and Canada. 

Prior to joining Partner Valuation Advisors, Ms. Khan served as a Vice President at JLL from 2016 to 2023 as a generalist appraiser with a focus on MHC, multifamily, and institutional properties starting in 2020. From 2014 to 2016, Ms. Khan served as a landlord leasing representative for a private equity company, leasing their Class A office portfolio in Dallas, TX.

Ms. Khan is a graduate of Oklahoma State University and holds appraisal licenses in seven states plus Washington DC.

Kyle Dieterich

Kyle Dieterich serves as a Director for Partner Valuation Advisors in the United States with a focus on the greater Dallas-Fort Worth and surrounding areas within the State of Texas. Responsibilities include valuation services for a variety of property types, team building, and job origination.

Mr. Dieterich began working in appraisal services as an appraiser trainee that specialized in data research for eminent domain and condemnation litigation proceedings regarding right-of-way projects.  

Over the years, valuable insight was gained by working with several valuation groups in the Austin and Dallas-Fort Worth areas that had a diverse group of clients and projects. As a result, experience with a broad range of property types that includes but is not limited to office, industrial, retail, multi-family, religious facilities, self-storage, and vacant land was gained.

Karlie Guta

Karlie Guta serves as a Senior Vice President for Partner Valuation Advisors. In this role, Ms. Guta is focused on conducting appraisals for Seniors Housing and Healthcare properties, nationwide. With four years of experience appraising Senior Housing and Healthcare related properties, Ms. Guta offers extensive experience in developing appraisal and appraisal-related services.

Prior to Partner Valuation Advisors, Ms. Guta served as a Director for JLL Valuation and Advisory in which she served a similar role.

Katie Dreher

Katie Dreher is a Vice President and licensed appraiser operating out of Texas. She provides analysis and preparation of appraisals and consulting assignments. While she has experience in all major asset types, Ms. Dreher's specialty is retail. She has five years of general commercial real estate valuation experience and two years of specialized retail experience. Her appraisal experience includes shopping centers, shopping malls, office buildings, apartment complexes, industrial facilities, raw and developed land, marinas, residential subdivisions, mixed-use projects, and net leased retail.

Ms. Dreher is a graduate of California Polytechnic State University, San Luis Obispo.

Jack O'Brien

Jack O’Brien is a Vice President for Partner Valuation Advisors (PVA) based in St. Louis, Missouri. He has experience in industrial, office, retail, multifamily, self-storage, and vacant land. His responsibilities include the analysis of different types and complexity of self-storage properties including existing properties, proposed properties, expansions, and redevelopments. Additionally, O’Brien has experience in niche sectors of the commercial real estate industry such as net leased retail and medical office space. He performs market rent analysis and studies in multiple regions.  

Prior to joining PVA, O’Brien worked under JLL Valuation Advisory. Previously, he gained experience in real estate while working with Rodan Management.

Justin Hebbel

Justin C. Hebbel serves as Senior Vice President for Partner Valuation Advisors. Mr. Hebbel has over 14 years of commercial real estate appraisal experience appraising industrial, retail, multifamily, office, self-storage, right-of-way, and various types of land development. In his current role, Mr. Hebbel is currently focused on performing various appraisal and consulting services for commercial asset valuations. 

Mr. Hebbel has worked in the commercial real estate industry since 2008 primarily in commercial real estate appraisal and valuation. His background includes the valuation of real estate for multiple applications including market value appraisals, portfolio valuations, investment advisory services, and market rent studies. 

He has experience appraising a variety of property types including but not limited to office properties, medical office buildings, industrial properties, self-storage, cold-storage, lifestyle centers, triple net properties, restaurants, manufactured-housing communities, limited and full-service lodging/hospitality properties, multifamily, and residential and commercial subdivision development sites.

Prior to joining Partner Valuation Advisors, Mr. Hebbel served as a Vice President for JLL Valuation and Advisory in which he served a similar role. Before that, Mr. Hebbel served as an Analyst with Newmark Knight Frank and Integra Realty Resources (IRR).