Meet The Team

GET TO KNOW US ╾

DET Properties

DET Properties is a premier real estate team specializing in commercial property sales, leasing, and development across Metro Detroit. We are dedicated to helping developers, investors, private equity funds, and businesses unlock value and achieve their real estate goals. With extensive expertise in retail, office, industrial, and mixed-use properties, DET Properties combines deep market knowledge with strategic insights to deliver customized solutions. Whether you are acquiring properties, leasing spaces, or developing projects, our team guides you through every stage of the process with precision and care. At DET Properties, we are more than brokers—we are your trusted partners in navigating the dynamic Metro Detroit market, maximizing opportunities, and driving long-term success.

+ 1800K

Total Transaction

$50M

Closed Transactions

+90K

Development Projects

+95%

Client Retention

David Asker

David empowers organizations to optimize real estate portfolios, streamline operations, and align real estate decisions with long-term business objectives. With 30 years of experience, he partners with Fortune 1000 companies as well as clients in the middle market, government, education, and healthcare sectors.

Notable projects include:

• Directed $120 million in initial real estate investments for a $9 billion global chip manufacturer spin-off, delivering a new headquarters, five regional offices, and twenty co-working spaces in the first year.
• Evaluated relocation options and operational impacts for an international media company’s $500 million headquarters move, producing a comprehensive feasibility analysis.
• Led design and implementation of a $1 billion campus master plan for a leading semiconductor company, aligning facilities with projected growth.
• Formulated and presented a plan for a community-oriented gym and center, targeting unmet needs in Grosse Pointes and nearby areas.
• Oversaw acquisition, development, and funding for a $9 million center supporting individuals with developmental disabilities.

David combines consulting expertise with hands-on leadership in strategic real estate projects. Clients rely on him to navigate real estate transactions throughout Michigan and beyond. He holds a BS in civil engineering from Villanova and an MS/MBA from Wayne State.

Joel Karboske

Joel is a seasoned commercial real estate professional with more than two decades of experience in brokerage, retail leasing, land sales, site development, and large-scale redevelopment projects.

He began his career in 2003 at First Commercial Realty & Development, where he quickly earned top sales recognition. In 2007, he co-founded Paramount Real Estate Services, leading tenant representation and land assemblage transactions across Michigan and key regional markets including Ohio, Pennsylvania, New York, New Jersey, North Carolina, and South Carolina.

Since 2016, Joel has been a trusted advisor with Gerdom Realty & Investment, representing national brands such as Walgreens, White Castle, Popeye’s Chicken, Dunkin’ Donuts, and City BBQ, as well as institutional clients including Brown Schroeder & amp; Company, RCI Group, and Bacall Development and several others.

In 2025, Joel co-founded DET Properties in Detroit, Michigan, where he focuses on transformative urban development. His projects include the redevelopment of over 300 residential units in Palmer Park, more than 1,000 units across Detroit, over 1 million square feet of industrial properties, and significant contributions to the revitalization of the Woodward corridor in the last 5 years alone.

Joel is an active member of ICSC, NAR, CBOR, and the Palmer Park Owners Association, and serves as an officer with the Knights of Columbus as well as on multiple local boards.

Todd Zahn

Todd Zahn is based in Michigan and possesses extensive expertise in commercial real estate strategy, development, and execution. He guides clients from initial planning and site selection to negotiation and post-acquisition support, ensuring that each solution is tailored to promote long-term growth for the business.

With over 20 years of executive leadership and cross-industry experience, Todd has made significant contributions to the commercial real estate sector. His background includes serving as a Senior Advisor to Bain Capital, as well as holding the positions of President and CEO of two chemical manufacturing firms. Additionally, he has been a Board Member for both privately held and private equity-backed companies. His operational expertise spans multiple industries, where he has led large-scale growth strategies, and turnarounds.

Some of his notable project experiences include:

• Development and advisory roles in both Brownfield and Greenfield real estate projects, particularly those involving advanced manufacturing and industrial uses.
• Site selection and entitlement, as well as development and leasing.

Todd holds a Ph.D. and an MBA from Wayne State University, as well as a Bachelor's degree from Michigan State University. His strong academic foundation in business strategy and market analysis is complemented by real-world experience in executing acquisitions, site development, and delivering complex projects.

Whether advising on land use strategy, development execution, or aligning business growth with real estate footprint, Todd is recognized for his precision, insight, and unwavering focus on client needs.

Tony Haddad

Tony Haddad is a highly accomplished realtor and investor with nearly two decades of extensive real estate experience. As a Keller Williams Luxury Agent and Zillow 5-Star Agent, he brings a unique and comprehensive perspective to clients, maximizing real estate value and strategically achieving their objectives.

His notable work and expertise include:

• Consistently ranks in the top 3 percent of agents nationwide, a testament to his profound market knowledge and negotiation skills.
• Oversight of numerous development and construction projects, ensuring seamless and efficient execution from conception to completion.
• Management of a multimillion-dollar real estate portfolio, optimizing assets for growth and performance.
• Hands-on expertise in renovation projects for both personal and client portfolios, backed by his Certified Property Manager (CPM) designation.
• Serving as a Certified Financing Specialist, providing invaluable insight into real estate financing strategies.
• Participating as a panelist on real estate investment discussions, sharing insights and expertise.
  

Joshua Asker

Joshua is a growth strategist and entrepreneur with over seven years in startups, specializing in real estate innovation and operations. With an MBA from Wayne State University and expertise in UX design, he provides a people-focused approach to addressing operational and technological challenges in real estate.

He helps clients improve property management, investment operations, and real estate marketing. His strengths are business development, strategic planning, and using process automation to drive efficiency and growth. Joshua helps companies solve operational challenges, scale business development, and deploy automation to increase productivity and profit. His solutions address real needs—improving property management, strengthening investor communication, and advancing lead generation via innovative technologies.

Driven by innovation, Joshua seeks out new technologies to keep real estate practices ahead, always aiming for measurable results.

Daniel Martens

Daniel Marten is a driven and ambitious new member of our Commercial Real Estate team, bringing fresh energy and a sharp focus to client service, property research, and market engagement. At just 18 years old, he has already demonstrated a strong aptitude for real estate fundamentals, deal flow support, and communication with both tenants and property owners.

Backed by a hunger to learn and a professional presence beyond his years, Daniel is committed to delivering value across retail, industrial, and mixed-use property segments. He works closely with senior team members on leasing assignments, property tours, and prospecting initiatives, while continuing his education in the business and real estate fields.

Todd Hoffmeyer

With over 30 years of proven success in the real estate and financial services industries, Todd offers extensive expertise and strategic insights in every client relationship. Todd specializes in land entitlements, land and investment sales, lender-owned dispositions, valuations, and retail development. He provides tailored solutions that align with the specific goals of each client. As an award-winning senior sales executive and asset management leader, Todd has driven operational excellence, led high-performing teams, and successfully executed complex lease and sale negotiations.

His in-depth knowledge of Michigan's commercial real estate market, coupled with a track record of consistently exceeding sales quotas, positions him as a trusted advisor and results-oriented professional. Recognized for his ability to build lasting relationships and deliver impactful presentations, Todd brings a "hunter" mentality, strong leadership skills, and a commitment to tenant satisfaction, strategic growth, and value creation.