Get to Know the Team at Summit Center Insurance Services

Summit Center Insurance Services » About

You’re not just a policy number to us—you’re our neighbor! We take the time to get to know your needs and goals so that we can provide you with the best insurance coverage for your budget. Trust the team at Summit Center to look out for your home, auto, life, and business insurance needs.

Insurance agent consulting young multi-ethnic couple about renters insurance
amily healthcare

We offer a range of policies for individuals, families, & businesses

Get to Know Us

Summit Center Insurance Services is an independent, family-owned agency based in Gretna, Nebraska. Opened in 2015 as Kingdom Insurance Group, Inc., we established many great relationships with A.M. Best insurance carriers. We continue to evolve and our new name, adopted in Spring 2022, reflects the heights of excellence to which we continually aspire.

Our Mission

Our mission is to be the premier insurance service agency that guides clients with honesty, a spirit of collaboration, and care for the communities we serve. We’ll ensure you have proper protection and peace of mind for years to come.

Our Vision

Our vision is to make our clients our priority. Whatever the situation, we’ll guide you through your decision-making process, one step at a time. We’re here to provide clients with great advice, tailor-made solutions, and incredible customer service.

Our Team


Tyler Ortlieb


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Born and raised in Gretna, NE, Tyler has proven his ability to lead and motivate the team at Summit Center. Tyler graduated from Hastings College in 2015 and started his career in the insurance and finance industry as a Financial Advisor with New York Life Insurance Company before joining Summit Center as the President.

Tyler’s experience as a talented athlete—as well as growing up in his father’s shadow—instilled in him the benefits of a strong work ethic. Tyler has held a successful college soccer career, and it is clear that his strategy, persistence, and determination on the field has translated directly to his career with us at Summit Center. He is structured, persistent, goal-oriented, dedicated, and hardworking.

Tyler has always been family-oriented and actively involved within the Gretna, NE community. His dedication to serving as a role model for younger athletes has inspired him to provide exceptional service to his clients at Summit Center.

Doug Ortlieb, LUTCF

Vice President

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Our Vice-President and owner, Doug, has over 25 years of experience in new business development, sales, marketing, and management working for nationally-known companies. Many of these years were spent specializing in the care and protection of clients by providing insurance plans to meet their specific needs.

Doug is best described as a family man. He and his wife, Denise, have been married for over 24 years, and they have dedicated their lives to raising their children: sons Tyler, Cody, and Stephen, and daughter Trinity. Doug’s dedication to his family, and his compassionate nature, is what drives him to build lasting relationships with his clients and his employees. Other peoples’ needs always come first.

Doug’s industry distinctions include Branch Leader 1990; Chamber of Commerce “Business of the Year” 1995 and 1996; Conference Qualifier and Millionaires Qualifier in 2001 and 2002 as an Agent; and Conference Qualifier in 2006, 2009, 2012 and 2013 as a Manager. Doug is licensed in Property/Casualty, Life/Health, Series 6 & 63 and has the distinguished Life Underwriter Training Council Fellow [LUTCF] designation.


Katrina Hjermstad


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As a child in a military family, Katrina Hjermstad has lived in a wide variety of places—including in the Philippines, Hawaii, San Diego, and Maryland. Her family finally settled in her parents’ hometown of Cedar Rapids, NE, where she graduated from high school.

Katrina attended and graduated from UNK with a B.S. in Business. She has been married to her husband, Marc, for 21 years, and they have three daughters together. Their family is proud to call Gretna, NE, home after living here for over 16 years. Katrina and Marc enjoy spending time with their family and being active members of the community, including as parishioners of St. Patrick’s Catholic Church.

Katrina has extensive experience working in both customer service and the insurance industry. Her career includes employment at Mutual of Omaha, Travelex Insurance, and Shelter Insurance. She brings 20+ years of expertise to Kingdom, and is licensed in Life, Health, Property, and Casualty insurance.

Christina Kadlec

Director of Marketing

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With a background in advertising sales and small business branding, Christina brings a spark of creativity to the team at Summit Center. Her experience includes marketing leadership roles at Bath Fitter of Omaha and SilverRidge Assisted Living in Gretna. As an Account Executive at Omaha World-Herald, Christina expanded her knowledge of print, digital, and social media outreach.

Christina attended both Hastings College and the University of Nebraska at Omaha, and contributed to student publications at both institutions. It was through serving as the Features Editor and Editor-in-Chief of “The Gateway” student newspaper at UNO that she discovered her passion for marketing.

When not creating promotional outreach or networking in Center Sphere and local Chambers of Commerce, Christina enjoys spending time with her significant other, Ryan, and their cats. She offers weekly dance classes at Mockingbird Hills Community Center, and can occasionally be seen throwing plates at The Parthenon Greek Grill in Lincoln.


Josh Ream

Financial Advisor

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Josh brings an incredibly diverse background to Summit Center. After graduating from Northwest Missouri State University in 2002, Josh began his career as a District Sales Leader and then a Senior Key Account Manager with Frito-Lay. His experience managing high-value portfolios, developing growth strategies, and building relationships with clients has proven to be a valuable asset in his role as a Financial Advisor at Summit Center.

Following his career at Frito-Lay, Josh worked as a Pharmaceutical Sales Rep, as well as an Insurance and Financial Professional with the New York Life Insurance Company in 2012. After spending a few years as a Wealth Protection Specialist at Allen Capital Group, Josh joined the Summit Center team in 2015 and has been a valued employee ever since.

Josh is a Registered Representative and holds insurance licenses in Life, Health, Property, and Casualty. Josh has been married to his wife, Dawn, for over 14 years, and they have three children: Brylie, Brayden, and Barrett.


Justin Hochstein

Estate & Tax Attorney / Financial Advisor

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Justin was born and raised in Norfolk, NE, where he attended Norfolk Catholic High School. He earned his bachelor’s degree from Creighton University, with dual majors in Finance in Management, as well as a law degree from the University of Nebraska. In addition to serving in the United States Army and as a Captain in the Nebraska National Guard, Justin has operated a joint legal and financial practice for over five years. He has grown his presence to include dedicated offices in Omaha and Lincoln, with satellite offices in Howells and Kearney.

In order to provide his clients with the expertise and attention to detail they deserve, Justin focuses solely on estate and business planning. He works in conjunction with accountants and financial advisors, as well as other attorneys to ensure the client’s plan is properly tailored to fit their unique needs.

Justin is an avid sports fan, cheering for the Dallas Cowboys (NFL) and Creighton Bluejays (basketball) as well as all Nebraska football. He loves traveling and plays in a local golf league. Justin married his wife, Kylie, in November 2017.

Kasey Alloway


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Kasey Alloway grew up in Seward, NE. She graduated from Seward High School and obtained a Bachelor’s of Science in Psychology from the University of Nebraska-Lincoln. Kasey worked in child welfare for 15 years, where she was employed by both the State and within the private sector. She also served as co-owner of Hymark Towing in Seward County for 15 years. Kasey is married to her wonderful husband, Josh, who is also an insurance agent! Together, they have six children.

Kasey recently joined the team at Summit Center, pursuing her dream of building a business. She is licensed to meet all of our client’s needs, from Life and Health to Property and Casualty insurance. Kasey has over 25 years of experience serving her community, and understands the importance of meeting her client’s needs in a timely, efficient manner, while maintaining honesty and integrity.

Denise Ortlieb

Office Administrator

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Denise serves as our Office Administrator, helping the agents prepare quotes and ensuring they have all needed information and documents. She grew up in Hastings, NE but moved to Lincoln to study cosmetology and barbering at College of Hair Design. She worked for salons in Lincoln and in Boulder, CO before launching her own in-home salon.

In 2003, her family moved to Gretna, NE and she was a homemaker for their first few years here. She took a role with Gretna Public Schools in 2006 and served as a Para Educator for 10 years with Kindergarten and First Grade. She joined the Summit Center team in 2016.

Providing the highest caliber of expertise, integrity, and customer service, with the most competitive insurance products and services.

Summit Center Insurance Services is here to help with all your insurance needs.

Get In Touch


Visit Us

Monday – Friday:
8 a.m. – 5 p.m.
And by appt


402-230-7783 (Fax)


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