Sean Miller

Growth Catalyst, Kansas City

Sean Miller-1



"I am here to serve others for the greater glory of God."

Sean Miller was born and raised in Kansas City, MO. He went to Rockhurst High School and Regis College in Denver, CO. After graduation he sold forklifts in Denver for three years where he was the top salesperson for the top dealership in the state of Colorado.

Sean married his wife Karen in 1982 and they moved to Kansas City to go to work with Sean's dad at the Robert E. Miller Insurance Agency and quickly developed a practice focused on the insurance and benefits needs of not-for-profit organizations.

He acquired the Miller Group with his brother, Matt, in 1992. At that time, they had less than $2,000,000 in revenue and almost no profit. At the end of 2022, they had over $15,000,000 in revenue and $3,000,000 in EBITDA with over 65 employees. The Miller Group is consistently recognized by the Kansas City Business Journal as a Best Place to Work and a Healthiest Employer in Kansas City. They were named the Business Philanthropist of the year by Nonprofit Connect in 2017. On January 1st of 2023, Sean passed his role of CEO to his niece, who he has been mentoring for the past five years. He continues in the capacity as Chairman at The Miller Group.

Sean has served on many boards over the years and graduated from two leadership programs (KC Tomorrow and Centurions).

He has participated in several CEO roundtables throughout his career. The Midwest Agents Group and APPEX (Agency Peak Performers Exchange) are industry specific, national exchanges. Sean has been a member of Convene and then joined Acumen for over 10 years. He has also been a part of the Greater Kansas City Chamber CEO exchange for over five years.

These exchanges have been instrumental in Sean's development as a leader, manager and business owner.

Sean has been married to his wife Karen for over 40 years and have four children and one grandchild. They love to travel and enjoy tennis, golf and going to the lake where they ski and surf as often as the weather will allow.

More About Sean

Why Sean Joined Acumen.

After transitioning the CEO role in the Miller Group to my niece, I was looking for a new challenge.  I have participated in CEO/business owner peer groups for most of my career (including Acumen) and they have been instrumental in my success and the success of my business.  I wanted to serve, and I enjoy working with leaders.

Challenges Sean is seeing CEOs facing today.

Cohesive Culture.

Building a cohesive culture in a time of remote workers and constant change.


The success of the business and balancing all the commitments (work, family, faith, and community). 


On a personal note...

How I recharge for the day.

I start each day with exercise and a book or podcast. I then meditate on scripture and say a rosary while my wife and I walk our dogs.

Words that describe me best.

Family Man

Favorite activity after work.

Getting together with my family for dinner, games and going to the lake.

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Acumen is an exclusive community of CEOs & Owners focused on helping you grow your top line, optimize your bottom line and enrich your storyline.
Our affinity-centric approach creates a community that’s both an advisory board and a peer mastermind. In combining the best of both, Acumen unifies professionals whose businesses are in similar seasons and have similar characteristics, like revenue, employees, locations, competency, and demographic similarities.


Our commitment...

We develop healthy, growing businesses.
NOT a hospice or lifeline for a sinking ship.
We work on CEO/Business Owner issues.
NOT networking or small group study.
We are humble and teachable.
NOT for the “know it all” or
the person who has “all the answers.”
We share values, virtues & beliefs.
NOT for people whose walk
and talk lack significant alignment.