• (970) 925-8400



Tracy Lofgren

Real Estate Advisor | Luxury Rental Director

Tracy Lofgren moved to Aspen shortly after earning her B.S. degree in Business/Marketing from Pennsylvania State University and became general manager of a local, luxury boutique hotel. In 2003 she began real estate brokering and has since been pursuing her passion, dedication and attention to detail. Tracy is a true matchmaker. She has the instinctual ability to unite her clients with the perfect property to fit their personal needs. Her professional credentials coupled with her enthusiasm for living in Aspen have made her one of the top brokers in her field. In fact, Tracy was third amongst all Engel & Völkers advisors globally for rental contracts closed in 2016. The E&V Network is comprised of over 8,500 advisors across 32 countries who specialize in the sale and rental of premium residential property, commercial real estate, yachts and aircraft.

Whether Tracy is searching for the perfect property for her clients or rescuing a dog in need, she always has her heart in the right place. She starts every day with a smile on her face and determination to make the most of it. You are definitely in good hands with Tracy.

Dean Gresk Aspen real estate agent and luxury rental specialist

Dean Gresk

Real Estate Advisor | Luxury Rental Specialist

Like most Aspenites, Aspen drew Dean in with its natural beauty, interesting people and active lifestyle. Arriving in 1985 after his years at University of Wisconsin, Dean quickly and successfully transitioned his prior experience in the Aspen hospitality industry and New York City venture capital business to a successful real estate career in Aspen | Snowmass. Dean is a trusted advisor to an international clientele of Buyers, Sellers and Renters seeking luxury properties throughout the Aspen area. He has an extensive knowledge of current market trends, values, cycles, and investment opportunities. The breadth of Dean’s experience in the Roaring Fork Valley over the last 20 years ranges from new construction and remodels to property management and sales.

He currently sits on the board of Sentisearch, a research company working on the prevention of malaria. Outside the office he spends his time hiking, biking, skiing and enjoying the abundant activities offered in Aspen and the surrounding area.

Tara Slidell Aspen Luxury Rental Specialist

Tara Slidell

Real Estate Advisor | Luxury Rental Specialist

Tara Slidell was born in Annapolis, MD and started her real estate career as a teenager working for her father’s real estate development company as a Certified Leasing Agent, where she leased and managed luxury apartment complexes in and around the DC area for several years.  Tara was recruited to University of Delaware where she played lacrosse and obtained a degree in Hotel, Restaurant and Institutional Management.  Tara then went on to work as a mortgage lender and processor before heading out west to implement her bachelor’s degree at a Las Vegas Casino. There she worked with many high-profile, VIP clients throughout their stays all while maintaining the utmost discretion. Like most locals, Tara visited Aspen once in 2008, fell in love, moved two years later and never left.  Tara decided to join Erik Berg and Portfolio Aspen Properties, now Engel & Völkers, as their first, full-time Luxury Rental Specialist. This has allowed her to use her leasing and customer service experience while enjoying working with amazing luxury properties throughout Aspen.

When she is not taking care of her clients and putting together deals, she is enjoying Aspen’s great outdoors with her dog.

Cell: 970-379-6626

Summer Berg, Esq.

General Counsel | Managing Broker

Summer Berg grew up in the sprawling valley of Phoenix, Arizona, and was always fascinated by the growth and development occurring around her. She knew prior to attending law school that she would focus on real estate because of her passion for smart and sound development. Summer was a Harlan Scholar of the Center for Real Estate Studies at New York Law where she was a law review editor and graduated magna cum laude. The international law firm Troutman Sanders was quick to hire Summer as a real estate associate, where she worked on everything from shopping center developments to complex financing structures of skyscrapers in NYC.

After working several years as a real estate attorney in New York City, Summer moved to Aspen to join her husband, Erik, in 2010. While continuing to provide legal services through her Aspen law firm, she became a licensed real estate broker.

Now Summer works closely with all the Engel & Völkers Advisors in providing premium service to our clients buying, selling and leasing properties in Aspen and the Roaring Fork Valley. Her background in real estate and her knowledge of every aspect of the transaction is invaluable to clients.

Summer is a Board Member of the Buddy Program and mentors a little buddy every week. Summer is a founding member of both the Aspen Next Generation Advisory Commission and the Aspen Professional Mentorship Program. She is also a member of the Aspen Young Professionals Association as well as other real estate and legal organizations.

Melissa Rhines

Real Estate Advisor | Luxury Rental Specialist

Living in Aspen Valley for 17+ years and Colorado for over 25 years, Melissa has gained the knowledge of all types of guests and clients that come to experience Aspen/Snowmass area. With over 25 years of high-level guest service, she is a perfect fit for the Engel & Volkers brand-build the relationship first and keep an open ear. Melissa believes that being a part of the EV Team is a collaboration, not a solo mission, that coupled with the global infrastructure of the company is what she loves about the brand as a whole. Find her hiking, trail running, in the backcountry, camping, and traveling every chance she gets!

Ready to make a decision?

Contact one of our luxury rental advisors at (970) 925-8400 or send us a message to get started.