Meet Our Foundation Board Members

Tara Hach, Chair

Tara is the Vice President of Anemometry Specialists, Inc. based in Alta, Iowa. The company is owned and operated by her and her husband Rob. They have lived in Alta since 1999 and have three children. She is originally from the area, an alum of Buena Vista University as well as a member of the local Score Chapter. Much of her free time is spent going to kid’s activities and camping with family.

"The main reason I chose to be a part of the BVRMC Foundation is that the organization helps provide additional services in our local community. I believe strongly in community service and I am honored to have the opportunity to serve on the Foundation."



Duane Queen, Vice Chair

I am a retired Presbyterian pastor having served the Lakeside Presbyterian Church for 29 years from 1979-2008. My wife, Donna, and I have 3 children and four grandchildren. I have been active in many ecumenical events in the Storm Lake community and have served on many boards, such as Gingerbread House, Faith, Hope and Charity, Ecumenical Institute, Hy-Noon Kiwanis Club, and on the Board of Trustees for Buena Vista University. In my free time I raise Quarter horses, love fishing, biking, woodworking and reading.

"I chose to serve on the BVRMC Foundation because we are fortunate to have Buena Vista Regional Medical Center in our community. The quality health care in our community that is provided by BVRMC improves our quality of life. By serving on the BVRMC Foundation board I am able to help provide continued improvement for the health care in our community."


Tracee Dierenfield, Secretary/Treasurer

Tracee is a Storm Lake native. She and her husband, Russ, have two daughters. Tracee is employed at MetaBank where she serves as VP Mortgage and Personal Lending. Russ is employed at Hillshire Brands and is a past Buena Vista Regional Healthcare Foundation Board Member. Much of her free time is spent going to her daughters activities, which she enjoys along with spending time with family, golfing and reading. She is an active member of the Storm Lake Rotary Club, Faith Hope & Charity Auxiliary and Grace Lutheran church.

"I am pleased to join the Foundation Board because of the quality health care Buena Vista Regional Medical Center provides for the people in the communities it serves. We are blessed to have such a wonderful facility!"


Jan Worthan

I grew up on a farm near Newell and now live with my husband, Gary, north of Storm Lake. Together we farm and have a small trucking company. We have three sons and 3 grandchildren. I have been an American Family insurance agent since 1991.We both believe strongly in community involvement and have served or volunteered on many committees and boards over the years. Gary is currently a State Representative in the State Legislature. Besides the Foundation Board, I serve on the Chamber of Commerce Board of Directors, Tourism Committee, Watanye, and Hy-Noon Kiwanis.




Brenda Halverson

I am a retired School Nurse having served the Alta School District for 29 years. My husband, Frank, and I farm south of Linn Grove. We have two married daughters and four grandchildren. We are members of Trinity Lutheran Church, Linn Grove. In 2009 I began serving on the board of trustees for the BVRMC and am privileged to serve with individuals that want to provide excellence in care to all people of this region. In my spare time I enjoy music, golf, and spending time with my grandchildren and family.



Tim Smith  

I am a licensed funeral director with Fratzke & Jensen Funeral Home in Storm Lake. I was raised on a farm near Webb, IA and have resided in Storm Lake since 1999. My wife, Erin, and I have four children. I am a member of the Hy-Noon Kiwanis and St. Mary’s Catholic Church. In my free time I enjoy playing golf and spending time with my family.  





Leon Haahr

Leon is a retired farmer from the Newell area and married to Ruby. Active in many organizations and having served on numerous boards over the years, Leon said, "I feel honored to be a part of our hospital. I have been associated with other organized businesses and realize the importance of contact with people that are or have interest in what is and can be done to promote growth and changes."




Duane Miller

Mr. Miller is a Certified Public Accountant and a Partner in the firm of Rosene, Pickhinke, Peters & Co., PC in Storm Lake. He and his wife MaryAnn, a teacher at the Storm Lake Middle School, have lived in Storm Lake for over thirty years and have three grown sons. Duane has previously served on the Board of Directors of several community organizations including Faith, Hope & Charity, the Buena Vista University Foundation, the St. Mary’s Foundation and the Storm Lake Area Development Corporation, now known as Storm Lake United. Duane says “Buena Vista Regional Medical Center is one of the ‘crown jewels’ of Storm Lake. It helps make this area a great place to live and work.”



Ben Dvergsten

Dvergsten grew up in Storm Lake and moved back in 2004. Ben is a graduate of the University of Northern Iowa and has a law degree from Drake University. Dvergsten is Vice President at Security Trust and Savings Bank. He and his wife, Sarah, have three children. Ben adds, “I look forward to being a member of the Foundation Board and assisting in the effort to support BVRMC in continuing to provide quality healthcare to the area.”





Josh Newhouse

Newhouse moved to Storm Lake in 1996 and is a graduate of Buena Vista University. Newhouse joined Thrivent Financial as a Financial Associate in 2005. Josh and his wife, Laura, have one daughter who was born in 2012. He has served on several Boards and been involved in many activities in the community. Josh states, “A strong medical center is necessary for a growing community. I am pleased to play a role in the continuing success of Buena Vista Regional Medical Center.”