Steinlage Insurance

Who We Are:

Founded by William H. Steinlage Sr. and family-owned and operated since 1950, we are proud of our almost 70 years as a respected and dependable Medicare health insurance agency. There have been many changes in the insurance and healthcare industry—miraculous advances in medicine, longer life spans, skyrocketing healthcare costs, and the birth of a national healthcare program. Our agents and their customers know they can rely on us to continue to grow and adapt to meet their needs, whatever may come next.

At Steinlage, we dedicate ourselves to earning the title “THE BEST MEDICARE HEALTH INSURANCE AGENCY” each and every day. We are a nationally recognized, award-winning leader in the Medicare insurance brokerage industry. We are headquartered in St. Louis, Missouri with multiple offices in Virginia. 

Our primary focus at Steinlage is our nation’s seniors. As a Medicare-focused company, we are a trusted source in the industry for Medicare knowledge, trends and news. In addition, the partnership Steinlage maintains with just about every top-level insurance carrier allows us to provide Medicare recipients complete access to the highest quality and competitive products.

There is no other Medicare health insurance agency in the nation that supports its clients like Steinlage. Our complete back office support system is unparalleled and uncompromising, built on close relationships that have grown through the years. Our advanced technology allows us to be flexible and respond quickly as needed, and our friendly staff is energetic, and their get-it-done attitude makes doing business easy and efficient. Our ability to compare all Part D drug plans can save hundreds if not thousands of dollars a year for our clients.

Steinlage offers its clients a singular direct connection to the various insurance companies, making life easier and uncomplicated.

Founder Of Steinlage Agency

William H. Steinlage Sr.

Founder of Steinlage Agency

Meet the leadership that drives the company culture:

Karl Steinlage,

CEO and Broker

Karl has held his insurance license since 2002.  Upon receiving his insurance license, Karl took a hiatus to play baseball and obtain his Bachelor’s degree from Saint Louis University.

After graduation in 2006, Karl started working with the agency full time. Karl has been Nationally recognized for his work. He received his MBA from Saint Louis University in 2015.

When Karl isn’t working or studying he enjoys golf, basketball, soccer, and baseball. He also likes to cook and spend time with his wife and children, Jack and Tessa.

Phone: 636-561-5060 ext: 101

Email Karl at

Margo Steinlage Kreider,

President and Broker

Margo holds an LLM and MBA from the University of Toulouse Capital, France, and her JD from Saint Louis University School of Law. Margo was admitted to the Missouri Bar in 2013. Before earning her advanced degrees, Margo received her Missouri Life and Health Insurance licensure in 2009.

Today, Margo’s experience in both law and insurance allows her to guide clients through one of the most volatile industries to-date, health insurance. In her free time, Margo enjoys exploring nature with her husband, two sons and daughter on their 130 acre farm, yoga, and cooking.

Virginia Office Phone: 571-777-1201
Missouri Office Phone: 636-561-5060 ext: 103

Email Margo at

Eric Steinlage,

Vice President and Broker

Eric has worked in the insurance industry since 2004 and with the agency full-time since 2006.

In addition to being a broker, Eric dabbles in charcuterie. He built a smokehouse in 2010 and is working toward becoming a Master Charcutier.

Eric also enjoys fishing, hunting, gardening and spending quality family time with his wife and two little girls, Camille and Daphne.

Ask Eric any question about grilling, smoking meats, or supplemental insurance.

Phone: 636-561-5060 ext: 106

Email Eric at

Nancy Smith,

Executive Administrator

Second in line, possibly first depending on who you ask, is our dedicated and loyal Nancy. With 30 years’ experience to her name, Nancy is here to answer questions and work as an intermediary between clients and agents.

Nancy enjoys scrapbooking and eating out with her husband and friends.

Phone: 636-561-5060 ext: 102

William H. Steinlage,

Former CEO & President

Retired from the industry as of 2021, Bill Steinlage is now able to take on new endeavors and passions! He enjoys spending time with his many grandchildren and loves to travel with his wife, Kathy. Bill is proud of his children and the adults that they have become. He knows that the agency is in good hands and will continue to grow!

Ashlee M., 

Accounting and Compliance

Combine accounting, compliance, and sales, and you have Ashlee Mennemeyer. Serving as an Accounting Manager at Steinlage Insurance Agency, Ashlee takes on challenging responsibilities, such as compensation and project management.

She is a master client advocate, professional accountant, and skillful systems administrator. Her impressive entrepreneurial background provides the skills and experiences necessary to take initiative and self-direction while maintaining a friendly and positive attitude.

Since joining Steinlage Insurance Agency, Ashlee has obtained her Missouri Health and Life Insurance license and has become a commissioned notary of the public. She is a proud alum of Purdue University where she graduated Magna Cum Laude and received a Bachelor’s Degree in Accounting. She loves to visit with family and spends a lot of time gardening, swimming, and riding motorcycles.

Anna T., 

Client Manager

Anna is British, raised in the UK and born in Germany.  Her personality is very easy going and she loves to work with clients and assist with their questions. Anna loves rugby and enjoyed horse races with her horse Indie, who has since retired to the UK. She has a wonderful 3 year old son who rocks the American accent while at daycare and an English accent while at home. Anna loves to end her day with her son and 2 year old Doberman.

Manny A., 

Broker and Client Manager

Manny is originally from El Salvador but has lived in Virginia the majority of his life, Fluent in both Spanish and English he considers himself Bicultural and Bilingual. He’s been married for 4 years and lives with his Wife, their 2 dogs Benji & Luna, and their cat Simba. His hobbies include Fishing, Camping, and Sports. He enjoys eating and trying new foods. Manny’s favorite part about working for Steinlage Insurance is having the ability to assist and walk a client through one of the most important decisions of their life, choosing the correct plan to meet their needs. Since joining Steinlage, Manny obtained his Life and Health insurance license and certifications.

Charlotte L., 

Broker and Client Manager

Charlotte was born and raised in the Washington D.C. metro area. She earned a bachelor’s degree from the College of William and Mary and hopes to learn how to pilot a plane one day. Her hobbies include singing, watching hockey, small-scale gardening, and learning new languages. She enjoys finding the silver lining and thinking outside the box. Charlotte’s favorite part about working for Steinlage Insurance is the supportive, knowledgeable team that truly cares about helping their clients and each other. Charlotte is fully Life and Health certified and licensed.

Amanda A., 

Scheduler and Business Administrator 

Amanda is our Scheduler/ Business Administrator and enjoys assisting clients in making the process leading up to your appointment with your agent as seamless as possible.

Amanda grew up as an Army brat, so she has lived all over the United States. She loves all things vintage and her favorite thing to do is finding unique furniture and refinishing it in her garage.

When she is not working, she spends as much time as possible with her husband of 19 years, her two teenage children, and her fur babies. She has a 17 year old daughter and a 14 year old son that keep her on the move constantly, but she wouldn’t have it any other way!


Office Security

Smokey has been working as Steinlage’s Security for 4 years. He takes his job very seriously. When clients enter the office he realizes the importance of sniffing out the situation. Once he has verified clients are good humans he provides a show and sometimes dances for them while they wait their turn to see the agents. In his spare time Smokey enjoys visiting his lady friends at the office across the hall and people watching out the window from the view of Nancy’s desk.  He makes everyone smile and is proud to know he leaves them with that “good feelings vibe”.