Our Team

Whether buying or selling your first home, or a multi-million dollar investment we have the team to make sure your real estate transaction is smooth, secure and filled with value.

John Dessauer

CEO / Managing Broker (Illinois, Indiana and Florida)

John has a rich history as an entrepreneur. He has owned many companies in various industries, including: Environmental Services, Hospitality Services, Education and Real Estate. Regarding real estate, John has transacted hundreds of deals in real estate in different sectors such as apartments, office buildings, retail, single-family homes and condominiums all within his personal portfolio.

Under John’s direction, Anton has managed and brokered over 2,000,000 of rental and retail square feet, which translates in over $100,000,000 in property values.  As a Managing Broker in Illinois,Indiana, and Florida he has the experience, knowledge and creativity to help you buy, sell and create a deal in real estate. John has a B.S. degree in Biology and Business Administration from St. Ambrose University in Davenport, Iowa. 

(219) 808-5311


Heather Dessauer

CFO / Broker (Indiana)

Heather’s is not only a principal at Anton Agency, but also a vital part of our Realtor team. Heather is licensed in Indiana and focuses on buying and selling of small residential properties. She also is an active investor buying single family houses, office buildings, and multi-family units.

Heather acts as the Chief Financial Officer for Anton Agency and Anton Asset Management. Heather implements management strategies as it applies to the client’s financial objectives. As a Realtor, she primarily focuses on residential real estate for owner occupants and investors. Heather has a B.S. Degree in General Studies/Psychology from Indiana University where she graduated with honors. 

(219) 776-7097


Jamie Kogut

Office Manager (Illinois, Indiana and Florida)

(219) 226-9450


Kathleen Osinski

Broker (Indiana)

Lifelong resident of NWI,   Grew up in Highland, went to Purdue University, Mother of four. Full time RE Broker with an undying passion to find the perfect fit for buyers and sellers.  Whether you are looking for the perfect Lake home, rural, or estate property, starter home, or are intrested in investment properties, I am your girl. I will do all the necessary research to help you take that step through the front door of your new purchase, or help you sell your property so that you can head towards your new adventure. I make buying or selling and easy, honest, and fun experience… I know fun right…It can be fun if you have the right agent! 

Please call me today so that I can prove to you that I am the right choice.

(219) 895-4569


Wendy Sanderson

Broker (Indiana)

Wendy Sanderson has been involved in the real estate industry in the southern suburbs of Chicago and for the last nine years has specialized in the lakeside neighborhoods of Cedar Lake, Indiana. She has a deep commitment to the area, its amenities, and the growing community she serves. A native of New York, Wendy has lived and worked in the Chicago area for over 30 years. She has a Bachelor of Arts degree from State University New York Geneseo, New York and has worked as a fundraiser both professionally and for not-for-profit entities throughout her lifetime. She is a member of the National Association of Realtors, The Indiana Association of Realtors and the Greater Northwest Indiana Association of Realtors. Wendy has lived on the lakefront in Cedar Lake for the past 11 years. She has two grown children and three beautiful grandchildren. Knowledgeable about the area, Wendy is compassionate and hardworking. Whether its a single-family home, condominium, townhouse, or a fixer-upper you’re looking for she can help you find the perfect property to fit your lifestyle, and to call home.

(219) 765-8208


Carlos Espinel

Broker (Florida)



Jen Konen

Broker (Illinois)

Jen is an Illinois Broker focused on the western suburbs of Chicago, notably Sugar Grove, Aurora, Geneva, Batavia, St. Charles, and Elburn. Her specialty is residential real estate focusing on families trying to find the home of their dreams as well as families moving on or down sizing. Historically, Jen has been in the golf business for 14 years. She has worked in all facets of the golf industry but focused her career on teaching and as well as a merchandise buyer. Jen has also played professional golf. The highlight of her career was playing in the 1999 U.S. Women’s Open. Currently, Jen resides in Sugar Grove Illinois with her husband Eric, and three children, Lilly, Sydney, and Henry. She graduated from Methodist University with a B.S. in Business Administration. Jen looks forward to working with her clients and making all their home ownership dreams come true.



Francisco Zeledon

Broker (Florida)

Francisco has held his real estate license in FL for over 10 years. He specializes with buy-side representation of commercial investments in retail and multifamily including 1031 Tax Deferred Exchanges. He thinks “local” but acts “national” often introducing investors to new markets where returns can be higher.

Francisco holds a degree in International Business from Florida International University. He aims to think 10 steps ahead when representing clients, often making transactions seamlessly fall into place.



Start Your Search Today

Whether buying or selling your first home, or a multi-million dollar investment we have the team to make sure your real estate transaction is smooth, secure and filled with value.