Our 2019 Board of Directors

Jennifer Jansen
Jennifer Jansen

Jennifer Jansen, President

Elected to the board in 2017, Jennifer Jansen is the Broker/Owner of Epic Realty in Sioux Center and has been licensed since 2005.  Jennifer is the President of the Northwest Iowa Regional Board of REALTORS® for the 2019-2020 year.

Committed to pursing ongoing education, she  holds several professional designations.  In 2016, Jennifer received her Graduate, REALTOR® Institute (GRI) Designation, as well as the ABR designation as an Accredited Buyer Representative. She also holds her Certified Residential Specialist (CRS) Designation from the Council of Residential Specialists.

Jennifer serves as a board member for both the Sioux Center Chamber of Commerce and the Sioux Center Health System.  Active in her community, Jennifer was awarded the Sioux Center Chamber of Commerce “Go-Getter” Award in 2014 and is a graduate of Leadership Sioux Center.  She enjoys volunteering at local ministries and being involved in the community as a 4-H leader and FFA alumni officer. She believes in her community wholeheartedly and is motivated and passionate about providing professional representation in the real estate industry.

Married with two children, Jennifer and her family enjoy attending and participating in livestock shows.  She cherishes time spent with family and friends and enjoys attending her kids’ sporting events, music, being outdoors and has a passion for water-skiing.

Brad Sanderson
Brad Sanderson

Brad Sanderson, President-Elect

Serving his second term as an NWIA director, Brad Sanderson has been a REALTOR® member since 2001 and holds the CRS, RENE, CNE, ABR, SRS, and RSPS certifications and designations. He has served as past president of the Iowa Great Lakes Board of REALTORS®, and is serving a second term as a Director for the REALTOR® Foundation of Iowa.

Brad is the Broker/owner of EXIT Realty Midwest in Spirit Lake, Spencer, LeMars, and Cherokee. Outside of the office he enjoys all things outdoors, including golf, hunting, and fishing. He is married to his lovely wife Sheree, who is also a REALTOR® member. His family includes two wonderful children, a beautiful granddaughter, and two dogs.

As President-Elect of the organization, Brad is preparing to step into the role of NWIA President in October, 2020.

Kevin Archer
Kevin Archer

Kevin Archer, Director

Currently in his 18th year in real estate and now in his third term with the Board, Kevin Archer is the broker at Keller Williams Siouxland. Kevin holds CNE certification and focuses on residential real estate.  Recognized as REALTOR® of the Year in 2013, he has served on the MLS committee including two terms as chairman.  Active in the community, Kevin serves on the elder board at Sunnybrook Community Church and on the Alumni Board at Western Iowa Tech Community College.  Kevin is excited about the upcoming year and looks forward to helping lead the board.

Kevin is married to his lovely wife Charity and has two daughters and three stepsons.  He enjoys restoring classic autos and collecting and restoring gas and oil memorabilia.

Lisa Croston
Lisa Croston

Lisa Croston, Director

Serving her first term on the board, Lisa Croston has been licensed since 1996. She was co-owner of Property Pros prior to merging with Century 21 ProLink, where she is currently the Managing Broker.

Lisa holds a B.S. degree from Iowa State University, and has served on the board’s Membership and MLS Committees.

Lisa is excited to help bring increased awareness of the role of the REALTOR®, and the value they provide to the consumer.  She also hopes to increase awareness of the contributions Realtors give to communities through our knowledge and skills.

Lisa is a member of the Junior League of Sioux City, and a former board member of Le Mars United Way. She has two great children, Brette and Nick, and is married to her husband Dave.

Chris Delfs
Chris Delfs

Chris Delfs, Director

Serving his second term as a director of NWIA, Chris Delfs brings ten years industry experience to the board. As an agent with Keller Williams Siouxland, Chris enjoys the many opportunities his role as a director provides to stay abreast of current legal issues and actively engage local and state legislators on property ownership topics.

Chris is a certified e-Pro and very active in the REALTOR® association. He is a member of the Iowa Association of REALTORS® YPN and 20 by 2025 committees, and has served on the board’s finance and MLS committees. He also regularly attends the IAR Legislative Bus-In Day each February.  Outside of the REALTOR® association, Chris volunteers for the Siouxland Sleepout, and other local nonprofit organizations.

He is the proud father of two sons and one daughter. Outside the office, Chris enjoys skydiving, hunting, reading, motorcycling, traveling, and spending time with family and friends.

Vicki Kollbaum
Vicki Kollbaum

Vicki Kollbaum, Director

Serving her third term as an NWIA director, Vicki Kollbaum brings over 26 years real estate industry experience to the board. Holding a Ph.D. in real estate, Vicki is also CRS, GRI, CDPE and SRES certified. This year, Vicki wants to encourage more involvement at a local level with participation in local board events, area events, education and local service projects.  She firmly believes that giving back to our communities is a key endeavor for our board.

Vicki is an agent with NextHome TriState Realty in Sioux City, and has long been involved in the REALTOR® association. She has served on both the board’s finance and vision planning committees. Before relocating to Iowa in 2008, she served a three year term as a director with the California Association of REALTORS® and was president of the Lodi (CA) Association of REALTORS® in 2003.

Outside the professional association, Vicki is active with the Downtown Sioux City Kiwanis Club, where she is past president. A member of the local Elks Club, Vicki and her husband Kevin have three children, four grandchildren and a black lab named Storm.  She resides in the Hornick area.

Joe Krage
Joe Krage

Joe Krage, Director

Joe Krage is a 17 year veteran of the real estate industry. Specializing in residential properties, Joe holds CRS, CBR, and CNE designations.  Joe is often involved in the community, having served in past roles on the City of Sioux City Planning and Zoning Commission, the City of Sioux City Board of Adjustment, the Cone Park Development Committee and the Mercy Hospital Foundation Board.  He is currently on the board of directors of Saturday in the Park and is a member of the Noon Sertoma Club.

Joe has served twice as president of the local Board of REALTORS®, in 2007 and 2015.  He is with United Real Estate Solutions in Sioux City, is married to his lovely wife Marcia, and has four girls and one grandson.

Dick Salem
Dick Salem

Dick Salem, Director

Returning to the board for another term as NWIA director, Dick Salem has been a REALTOR® for 49 years and is currently the Broker/Owner of RE/MAX Preferred in Sioux City. Dick is a graduate of Morningside College with a degree in Business Administration and Economics and has completed designations of GRI, CCIM & SIOR.

He has already served the Board twice in past years, with two terms under his belt as Board President.  Dick is on the Board of the Sertoma Club, a member of the Sioux City Fiscal Policy Committee, and the Treasurer of Morningside Baptist Church.

A proud father of five children, Dick is also grandpa to 12 grandchildren and one great-granddaughter. Outside of real estate, he enjoys golfing, tennis, attending Morningside College athletic games, and traveling to see his children and grandchildren in the South.

Tonya Vakulskas
Tonya Vakulskas

Tonya Vakulskas, Director

Serving her first term as a director, Tonya Vakulskas has been a licensed REALTOR® since 2004 and has worked in various capacities in the industry, including being a full-time agent, recruiter, trainer and sales manager.

Tonya has served on the local board’s finance and MLS committees and is a state approved continuing education instructor through Iowa Association of REALTORS®. Active in her community, Tonya is a past recipient of the Greater Sioux City Board of REALTORS® Service Award and enjoys volunteering as an Ambassador for the Siouxland Chamber of Commerce.

In her new role, Tonya is excited to help the board continue to evolve and become the best it can be, while striving for continual improvement and positive promotion of our business and the public that we serve.

In her free time, Tonya enjoys spending it with her husband, Jeff, and their three grown sons. During beautiful, warm and sunny weather you can often find her out on the water.

Mark Vos
Mark Vos

Mark Vos, Past President

Serving his final year on the board, Mark Vos has been a REALTOR® since January of 2005, and currently serves as the Past President of the Northwest Iowa Regional Board of REALTORS®.  Mark has served on the Finance Committee and currently sits on the Sioux City MLS committee. Mark has owned and operated several small businesses and assists on the family farm.  He is continually looking to encourage more camaraderie between agencies and building member participation in NWIA activities.

When he’s not in the office, Mark enjoys bicycling, riding Harley Davidson motorcycles, and taking vacations to places with lots of warm sunshine.  He is the proud father of three beautiful daughters and is an agent with United Real Estate Solutions in Sioux City.

Mark serves on the board in an advisory (non-voting) role for the 2019-2020 year.

Michelle White
Michelle White

Michelle White, Director

Michelle White joined NWIA board in 2018.  She has been a sales agent with Coldwell Banker Associated Brokers Realty, Inc. in Sioux City since 2012 and a Broker Associate since 2016. Her corporation has acknowledged Michelle twice as REALTOR® of the year in her local office. She is a member of her corporation’s International Diamond Society, given to the organization’s top 11% of all sales associates worldwide.

She has been an active NWIA participant for three years on the board’s finance and vision committees and participates in the IAR Legislative Bus-In Day. Michelle hopes to increase member participation in NWIA and IAR events and bring more great opportunities for education to the area.

Michelle is a lifelong Sioux City resident and a graduate of Bishop Heelan Catholic High School. She is married with three sons and a daughter, and an active member of Holy Cross Catholic Church. When not working, Michelle enjoys volunteering, traveling, live music, and spending time with her friends and family.