Our Team

Unique in Our Level of Expertise and Depth

The TS Prosperity Group Difference begins with our team working and collaborating together to create a comprehensive prosperity plan uniquely tailored to your needs and goals. Together, each of our TS Prosperity Group members bring decades of experience and intellectual capital to your prosperity plan. The depth and scope of the TS Prosperity Group team is considerable with accomplished Strategists, Chartered Financial Analysts, Fiduciary Trust Officers, In-house Attorneys, Portfolio Managers, Investment Analysts, In-house Accountants (Certified Public Accountants), and Administrative support.

From our visionary executive leadership to our top-flight investment analytics and depth of experience in fiduciary management services, our team has the tools and knowledge to address any financial issues and challenges you may encounter along your path.


Joshua M. Guttau, Chief Executive Officer

As CEO of TS Banking Group, Josh has led a multi-bank acquisition strategy launched in 2013 to acquire banks throughout the upper Midwest. Leading the banking group from $50M in assets in 2003 to $1B in 2017, with 20 employees expanding to 200. Josh also leads the TS Prosperity Group, in striving to redefine what wealth management, investment management, and trust services should look like. Josh is co-founder of TS REIS and TS Capital, investment fund companies in real estate and options, as well as the founder of Timber Stream Cattle Co, LLC; a 500 head cow-calf ranch operation.

With an MBA in Finance & Strategic Planning from Iowa State University, a Professional Masters of Banking from Louisiana State University, a Professional masters in Real Estate Investing from Wealth Intelligence Academy, and a Bachelors in Animal Science and Agronomy. Guttau is currently a faculty member at the Graduate School of Banking in Colorado. He has volunteered on a number of community, charitable, and industry boards, including eight years of school board service, and currently serves as a trustee for Iowa Banker’s Benefit Plan and as a director for Olsson Associates Engineering, based in Lincoln NE.


Kevin Forristall, CFA – Chief Investment Officer

As Chief Investment Officer for TS Banking Group as a whole, Kevin leads a talented team of analysists and data scientists. Prior to becoming Chief Investment Officer, Kevin served as CRO, VP of Risk Analytics, Risk Analyst and Credit Analyst since 2006. Prior to joining TSBG Kevin worked for Wells Fargo as Credit Manager. He is currently an adjunct professor at Creighton University. Kevin holds the distinguished CFA designation along with an MBA from Creighton University and a BA in Business Adminstration from Morningside College.


Kristi Waffle, Chief Operating Officer

Kristi joined TS Prosperity Group in 2007 and today serves as Chief Operating Officer.  Kristi works with all departments within TS Prosperity Group (Administration, Operations, Investments, Sales, TS REIS and TS Capital) to help implement strategy, goals and processes for the success of TS Prosperity Group. Kristi was raised in Council Bluffs and a graduate of Lewis Central High School.  Kristi is active within the Treynor Community.  She has served on the Treynor Little League Board, coached youth sports, and assisted with numerous Treynor Athletic Fundraising events over the past 9 years. Kristi is a graduate of University of Nebraska at Omaha in Management Information Systems.  Her work experience includes 8 years investment brokerage operations, 8 years as licensed real estate agent/broker, 15 years as small business owner and 9 years in Operations for TS Prosperity Group.

Contact Kristi:


Rich Purdy

Rich has been with TS Bank since 1984, and currently serves as a Fiduciary Officer with TS Prosperity Group. Rich works with clients in all areas of wealth management and financial planning. Rich obtained his CERTIFIED FINANCIAL PLANNER™ designation in July of 2000. He also provides farm management services to TS Prosperity Group clients, and is a licensed real estate broker. Rich grew up on a farm in southwest Iowa. He is a graduate of Iowa State University, with a Bachelor of Science Degree in Agricultural Business. His work experience includes seven years as a Consultant with the Southwest Iowa Farm Business Association, 30 years as a licensed real estate agent/broker and 32 years of banking.

Contact Rich:

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Jim Koch

Jim joined the TS Prosperity Group in 2010. As a Fiduciary Officer, Jim assists clients in the development and implementation of their individual and family prosperity plans. As part of the team, Jim provides clients with fiduciary account management, focusing on investment agency accounts, IRAs and retirement planning assistance. Jim is a native of north-central Iowa and he earned his Bachelor of Arts from the University of Saint Thomas, St. Paul, MN.  Jim’s work experience includes more than two decades of financial and operations management in universities, non-profit organizations and private foundations.

Contact Jim:


Mary Jewell

Mary Jewell serves as a Fiduciary Officer and Vice President for the TS Prosperity Group. She began her career with TS Bank in 2012. Prior to working at TS Bank, she was an agricultural estate-planning specialist for Farm Credit Services and spent 12 years as a trust officer for another regional bank. She spent four years as a planned giving officer for a public foundation and shares her expertise with the Treynor State Community Foundation. She also raised funds for a local non-profit. Mary received her undergraduate degree from the University of Nebraska-Lincoln and her Juris Doctorate from Creighton University. She stays busy with her family of six children and volunteers her time at the Joslyn Castle, the New Cassel Foundation Board, and the Center, in Council Bluffs. She is a member of the Omaha Estate Planning Council and the Nebraska State Bar Association.

Contact Mary:

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Cody Forbush

Cody joined TS Prosperity Group in 2017.  As an Investment Portfolio Strategist, Cody sits on the Investment Committee and helps with the research, investment recommendations, and portfolio construction.  His role also includes taking the message from the Investment Committee and delivering it to the client in a way that makes sense.  Cody comes from a rural farming community in Idaho.  He earned a Bachelor’s degree in Business Administration with an emphasis in Investment Science and Portfolio management from the University of Nebraska at Omaha (UNO).  He also completed a MBA degree from UNO with an emphasis in Risk Management.  Cody is currently studying for level II in the CFA program.  His work experience includes assisting high net worth clients plan around their goals, and developing an all-encompassing strategy to help accomplish those goals.   

Contact Cody:

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Krysta Stevens

Krysta joined TS Banking Group in 2013 and currently serves as an Operations Specialist for the TS Prosperity Group. Since joining TS Banking Group, Krysta has been a member of the Frontline team as well as the Bank Operations team. Krysta is responsible for client service, new client onboarding, accounts payable, and the wire desk. Krysta graduated from Riverside High School in Oakland, Iowa, and attended Iowa Western Community College where she obtained her Associates Degree in Business Administration.

Contact Krysta:

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Nolan Cain

Nolan joined TS Banking Group in 2012 and currently serves as the Operations Coordinator for the TS Prosperity Group.  Since joining TS Bank, Nolan has been a member of the Accounting department as well as the Deposit Operations Manager.  Nolan obtained his Certified IRA Professional (CIP) designation in 2016 and is currently the only CIP for TS Banking Group. Nolan provides support for the Operations department by focusing on business process improvement, system implementation, and project management.  Nolan’s work experience includes 9 years in the finance industry including Pioneer Investments and Wells Fargo Bank.  Nolan graduated from Guthrie Center High School in Guthrie Center, Iowa and attended Des Moines Area Community College for Accounting and Business Marketing. 


Matt Schuster

Matt joined TS Prosperity Group in March of 2017, and has been working within the financial industry for 8 years.  He has gained experience in financial operations and client service, with past work experience with a mutual fund wholesaler and a worker’s compensation insurer.  Matt is a 2009 graduate of Iowa State University, where he majored in marketing.  Matt is also a member of Impact CB, a young professionals group of the Council Bluffs Chamber of Commerce which offers professional development, networking, volunteer, and civic engagement opportunities.

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Paula Gleckler, CPCU, AAI

Paula joined TS Bank in 2006 and currently serves as Project Coordinator for the TS Prosperity Group.   Prior to joining the Prosperity Group she was in the insurance industry for 38 years, 27 of those with SilverStone Group.  She earned her CPCU (Chartered Property Casualty Underwriter) designation in 1993.  Paula works closely with the Fiduciary Officers and Operations department in implementing new business processes and finding ways to optimize our current systems.  She also facilitates the transactions and records for TS Income Funds and TS Reis alternate investments.

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Donna Rieken

Donna Rieken has been with TS Bank since 2001.  She served as TS Bank Receptionist and Administrative Assistant to Michael Guttau, and Secretary for the TS Bank Trust Department.  Currently Donna is Operations Specialist and works with the TS Prosperity Group’s Accounts/Payable.  She is also on the Community Reinvestment Team.  Donna graduated from Malvern High School and attended IWCC.  Since 1979, she has been active in her husband’s Agricultural Conservation Company.

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Sharon Braden

Sharon Braden has been with TS Bank since 1997 and joined the TS Prosperity Group in the fall of 2009.  Before joining the TS Prosperity Group, she worked in Four Corners Travel as a Travel Consultant and as a Client Service Representative on the bank’s front line.   Prior to working at TS Bank, she worked six years in the Revenue Accounting, Maintenance Sales Accounting, and Pricing Department for United Airlines located in Elk Grove Township, Illinois.  She is a member of the Council Bluffs Chapter Daughters of the American Revolution and is an Honorary State Regent of Iowa 2014-2016.  Sharon currently serves as the Data Integrity Specialist for TS Prosperity Group operations and is responsible for applying a risk based approach to ensuring the integrity of client data, maintaining and continually reviewing the data.  Sharon graduated from Van Meter Community High School in Van Meter, Iowa and attended Northwest Missouri State University receiving a double major in Business Administration and Marketing.  She also serves as a back-up for many of the processes within TS Prosperity Group operations.