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Empowering Small Business Owners, Health Care Professionals, Retirees,

Employees, and Families to Achieve Financial Independence

We Make The Complex Simple

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Serving South Dakota and Beyond With Objectivity, Transparency, & Good Old-Fashioned Hard Work!

There's No Substitute For Being Known On A First Name Basis

At Big Sioux, we serve our clients in a fiduciary capacity. This means that we are obligated to put your interests before our own in all recommendations that we make on your behalf. We structured our approach this way to maximize long term value for our clients.

We are a locally owned, independent RIA firm located in Watertown and Sioux Falls, South Dakota. We serve families, individuals, small business owners, healthcare professionals, people who have come into sudden wealth, and retirees.

About Big Sioux Wealth Management


Although we’re mindful of the advancements that the future brings, we honor the value of good old-fashioned hard work. The hours are long – nights, weekends, and extended shifts because we know that your experience as our client is the number one priority and the essential focus of our effort.

What we do here at Big Sioux is all about your needs. In our years of experience, we’ve honed our craft and systematized our workflows so that hopefully you can be comforted by the ease of our efficient process. You’ll find us to be timely and responsive to your needs, and deliver what we say we are going to. We work with not just you and your family but anyone else on your team, ensuring a flow of information from CPAs and attorneys to other support resources that you may need.

As Featured In

Dustin Padgett, President of Big Sioux Wealth Management, is a nationally recognized as the top 100 bank advisors.

Our Commitment to Our Customers:


keeping our clients best interests in mind is at the core of everything we do

MAKE THE COMPLEX SIMPLEWe make the complex simple during the financial planning process.

investing does not always need to be complicated

HELP YOU OVERCOME STRESSDon't stress over your finances, the wealth managers at Big Sioux Wealth Management are here to help.



Our financial advisors set up a financial plan to help navigate your finances and plan for the future.we will create a road map to guide you to your destination


Ensure your legacy with help from the financial advisors at Big Sioux Wealth Management.

feel confident leaving your family's finances in good hands


Positively impact you financial life with our certified wealth managers.

we will constantly look for ways to improve your finances 

The word “Dakota” means friend and that’s one

 thing everyone on our team has in common

You’ll always be treated like a neighbor, like a human being with feelings, not just an account number or a stack of papers. So that you can get to know us better, here is a little information about our credentials and professional roles, and most importantly – who we really are as people.

Dustin Padgett, CFP®, AIF® Photo Dustin Padgett, CFP®, AIF® Hover Photo

Dustin Padgett, CFP®, AIF®

Division President, Wealth Manager
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Dustin Padgett, CFP®, AIF®


"We eat our own cookin!" -  Bill Cates

I set out as a registered financial representative with Reliabank in 1999 and I initiated the wealth management department at Reliabank Dakota in Watertown .  In 2019, we created Big Sioux Wealth Management, an independent Registered Investment Advisory Firm. I achieved recognition as one of the Top 100 Advisors nationwide by Bank Investment Consultant in 2018.

I strongly believe in the philosophy of investing in what we advise our clients to invest in. If we would not buy an investment for ourselves,  we would not tell you to do it!

Educational credentials:

I graduated from the University of South Dakota in 1998 with a Business Administration Degree with an emphasis in Finance. I  completed the CERTIFIED FINANCIAL PLANNER™ and Accredited Investment Fiduciary designations.

Where you can find Dustin on the weekend:

When I am not studying the market, you can find me with my wife, Mckenzie, and my children, Tyson and Jordyn, enjoying Lake Kampeska.  I also enjoy racquetball, pheasant hunting with my labs, Bella and Piper, and playing golf.  .

McKay Parr, CFP® Photo McKay Parr, CFP® Hover Photo

McKay Parr, CFP®

Wealth Advisor
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McKay Parr, CFP®


“At Big Sioux Wealth Management we believe each client is special enough to warrant a high degree of personal attention, regardless of where they are in the wealth cycle.”

I started my career in financial services in 2012 and joined Dustin Padgett at Reliabank Dakota in 2017.  As a Financial Advisor, I emphasize the importance of developing a close, personal relationship with each of my clients. I feel that through my work, clients are delivered a uniquely tailored  planning experience, as well as the personal attention they need to help meet all of their financial goals.

Educational credentials:

I graduated from the David Eccles School of Business at the University of Utah in 2015. I also obtained a CERTIFIED FINANCIAL PLANNER™ certification in 2019.

Where you can find McKay on the weekend:

After growing up and attending school in Utah, I met my wife, Allison Konrady, who is from Watertown.  Shortly after Allison graduated from dental school, we chose to relocate to South Dakota.  I have grown to love the community and could not think of a better place to raise our children, Ella and Jack.  When I am not at the office or spending time with family, you are likely to find me at the golf course with friends.  .

Tommy Mattingly Photo Tommy Mattingly Hover Photo

Tommy Mattingly

Associate Wealth Advisor
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For the first 17 years of my career, I was a social studies teacher and multi-sport coach in the communities of Lake Benton, MN, Elkton, SD and Watertown, SD. As an educator, I always tried to follow three core values my parents taught me from an early age: 1.) Show up and be dependable 2.) Work Hard 3.) Treat everyone from all walks of life with respect and dignity. In the summer of 2023, I joined Big Sioux Wealth Management as an Associate Financial Advisor. I am excited to be part of a team that prides itself in leading by example, serving their client's best interest and helping families meet their financial goals. Educational Credentials: In 2006, I graduated summa cum laude from Minnesota State University Moorhead with a Social Studies Degree that has a primary emphasis in history and a secondary emphasis in political science. In 2012, I earned a Master's Degree in Educational Administration from South Dakota State University. Where can find Tommy on the weekend: With Watertown being my hometown and being a former coach, when out of the office you can expect to find me supporting Arrow athletics and activities. I also enjoy spending time on the golf course with friends and good meals with family.

Tari Korthour Photo Tari Korthour Hover Photo

Tari Korthour

Director of Client Services
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Tari Korthour


“Getting your hands dirty early in life emphasizes the importance of  leaving your mark.” - anonymous

I am the Director of Client Services at Big Sioux Wealth. I have a wide range of experience working in customer and client services. With a heart full of dedication and a full understanding of the importance of planning, my focus is to ensure that the service and paperwork side of our clients' financial lives is a stress-free experience - No matter what phase of life they are in.  

Growing up on a dairy farm near Waubay, South Dakota, instilled  the value of hard work. Picking rock, milking cows, rowing bales in the heat of the summer in a cab-less tractor and weeding miles of trees were common chores.

Prior to joining Big Sioux Wealth Management, I managed a Specialized Collections department at Premier Bankcard providing direction to eight employees, 35+ functions, handling escalated phone calls, settlements and charge off accounts.

Educational credentials:

After graduating from Waubay High School, I attended Lake Area Technical Institute, earning an Associate Degree in Marketing Management Sales.

Where you can find Tari on the weekend:

In my free time I  can frequently be found rummaging through thrift shops in northeastern South Dakota hunting for items to re-purpose and  hammering on home improvement “fixer upper” projects for myself or our kids. When the toolbelt comes off I do enjoy kayaking and relaxing at Blue Dog Lake as well as traveling to family sporting events. I reside in in Watertown, South Dakota, with my husband Troy.  Our four grown children are scattered around the Midwest region. 

Neal Gunderson Photo Neal Gunderson Hover Photo

Neal Gunderson

Para Planner/Operations Associate
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Neal Gunderson



I am responsible for developing & maintaining policies and procedures for operational aspects of the firm. 

I am a lifelong resident of Watertown, SD and retired from the South Dakota Army National Guard in 2015 with 30 years of service.

Educational Credentials:

I graduated from Liberty University in 2011 with a Bachelor of Science in Multi-Disciplinary Studies with emphasis in Business and Psychology.

Where you can find Neal on the weekend:

In my free time I enjoy tinkering in the garage on old cars, doing small home improvement projects or researching family history.

To Inspire Clients to Make Informed Decisions in Their Financial Lives, Through Providing Education, Communication, & Service That Exceeds Their Expectations.

We find satisfaction in creating a plan for someone and

watching them stick to it to achieve financial independence

Our mission is to serve, not to sell. We proactively listen to what keeps our clients awake at night, whether it may be protecting your hard earned assets, shielding you from rising healthcare costs, helping make sure you don’t run out of money in retirement, and planning to ensure you have a reliable income stream.



We are one-of-a-kind, just like you!

What we do here at Big Sioux is all about your needs. In our years of experience, we’ve honed our craft and systematized our workflows so that hopefully you can be comforted by the ease of our efficient process. You’ll find us to be timely and responsive to your needs, and deliver what we say we are going to. We work with not just you and your family but anyone else on your team, ensuring a flow of information from CPAs and attorneys to other support resources that you may need.

How We Honor Your Heritage ➩  

Big Sioux Wealth Management is a financial advising firm that can help you grow your wealth.

We Focus on Your Needs

Your needs are always our top priority. We understand that life can get crazy, that doesn't mean your financial life has to be... Let the professionals at Big Sioux Wealth help!

Big Sioux Wealth will help small businesses plan for retirement.

Locally Owned  Independent Firm

We are a Registered Investment Advisory (RIA) Firm located in both Sioux Falls and Watertown, South Dakota.

At Big Sioux Wealth, we understand the importance of family and financial planning.

Experienced and Accredited 

Our financial advisors have their CFP (Certified Financial Planner) and Mr. Padgett has his AIF (Accredited Investment Fiduciary) certifications. Combined they have over 24 years of professional experience in wealth management.

As proud South Dakotans, we welcome your family’s story as passed down from generation to generation, and look forward to being a part of the next chapter by simplifying your financial life!

At Big Sioux Wealth Management, we believe that no matter how much progress we make as a society, the idea of connecting with people as one human being to another should never be left behind.

For this reason we named our firm after the Big Sioux River that joins so many of our communities as neighbors – from the Coteau des Prairies all the way through Watertown and Dell Rapids to Falls Park, to name a few.

We manage your wealth in accordance with technological innovation and all the advantages it brings.  In addition to your finances we pay close attention to your traditions, heritage, and values- what really makes you who you are.


We provide a wide variety of services but we tailor them to fit each individual client. Whether you have an idea of what aspect of your wealth you want to work on, you’re just taking the first step, or somewhere in between we are here to help! With many different options to choose from, you may wish to focus on one or more of these areas.  

During our initial meeting, our Big Sioux Wealth team will conduct a needs assessment and help design a set of services that are tailored to meet your needs.

Customer Relationship Summary Form


Big Sioux Wealth Management is a financial advising firm that can help you grow your wealth.

Growing Your Wealth

We offer experienced guidance for selecting traditional investments such as equities, fixed income, annuities , mutual funds and exchange-traded funds, along with more intricate offerings like managed discretionary accounts, separately managed and unified managed accounts.

Big Sioux Wealth will help small businesses plan for retirement.

Small Business Retirement Planning

You’ve worked hard to get where you are and deserve to enjoy the fruits of your success without worry. We will custom design a small business retirement plan that takes into account the needs of you and your team. With our guidance you may potentially save more and reduce tax burden for all stakeholders involved. We may also assist you with your plans to ensure continuity of your business to a successor, whether a family member or business associate you’ve chosen “carry the torch”.

At Big Sioux Wealth, we understand the importance of family and financial planning.

Creating Financial Plans

Whether planning to build a home by the lake or help your daughter launch a business, a well-conceived plan will help you to succeed. Pursuing financial independence is no different.

As your knowledgeable partner, we provide wide-ranging, comprehensive financial planning with which to chart a detailed course for pursuing a bright and secure future.

The financial advisors at Big Sioux Wealth Management in Watertown, South Dakota help you plan for the long-term.

Long Term Planning 

Many of today's retirees can expect to spend up to 30 years or more enjoying the “golden years”. That's why retirement and longevity planning are so important, and a proper plan must take into account all of the years your wealth might last, all of the ways your life will change and all of the events you can't foresee.

We help protect what you have built by applying risk management and building a contingency plan.

Protecting What You Have Built 

One of the most important functions we serve is helping to protect all you have worked to build. Proper risk management takes the right approach, as well as steadfast discipline and diligence, to assess the risks that could derail your life goals and build a contingency plan to help limit the effects. As your guide, we assess where your risk lies and determine your level of comfort with it, exploring what actions and plans to put in place to provide the level of protection you need and deserve.

We help continue your legacy by managing your wealth so you can focus on what matters most to you.

Continuing  Your Legacy 

One of life’s greatest rewards is sharing your wealth with others. Managing your estate, charitable giving, or charitable trust to take care of one’s own needs and wants is one thing, but it takes additional planning and knowledgeable guidance to help ensure your financial legacy makes an enduring difference in the lives of loved ones or a favorite charity.

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