About Diversified Insurance

We are an independent insurance broker for both individual and group benefits. We specialize in Health, Life, Dental and Supplemental Insurance. We are a group of independent insurance brokers committed to bringing individuals, employers and employees quality benefits at affordable rates. Add these objectives to our unmatched level of service and we believe you have a success formula for a long standing relationship built on trust and honesty. We realize that for us to be successful we must stay abreast of our ever-changing industry. Individuals and owners can depend on our knowledge, experience, and expertise to provide them the information they need to make sound and informed decisions regarding their insurance needs.


Diversified Insurance was established in 1988 by Kent Holbert and Jerry Liston as Group Benefit Coordinators.  Alvis Alderman, the third partner in Diversified Insurance, joined Kent and Jerry in 2003 after a very successful and respected career in education

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Meet the Team


B.B.A., M.S., L.I.C.


Kent was born and raised in small East Texas town of Saltillo.  In 1967, Kent moved to Commerce to attend East Texas State University (now Texas A&M University-Commerce).  He received a BBA in Marketing / Finance and MS in Guidance and Counseling.  Ken has resided in Commerce, Texas for 45 years.

In 1976, Kent entered the insurance field with CICA, the Aon Insurance Group.  He advanced from agent to position of Regional Sales Manager.  Kent resigned from Aon in 1988 to go into private business, founding Diversified Insurance Services.  He has over 36 years of insurance experience.

Kent's field of expertise includes: Life & Health Insurance, Supplemental Insurance, Group Employee Benefits, Student/Athletic Accident Insurance and Specialty Risk Insurance.

Professional Designations:  Licensed Insurance Counselor (Consultant)      
            Group 1 Life & Health Insurance License
            Group 1 Life, Health & HMO License

Civic Services:
Serves on Board of Directors of Commerce Chamber of Commerce
Board of Directors Commerce Water Board
Past Chairman Finance Committee Commerce First United Methodist Church
Texas A&M University-Commerce Area Alumni Chapter
President, TAMU-C Sigma Chi Housing Corporation
Chapter Advisor, Sigma Chi Fraternity, Texas A&M University-Commerce
Past Master, Commerce Masonic Lodge




Alvis has been a Partner with Diversified Insurance services for 14 years.  Before the insurance business, he was in public education, retiring in August 1996.  Alvis has a Group 1 Life & Health License and works for both business and school districts.  In August of 2011, Commerce ISD put Alvis in the Hall of Honor.  He has also served on the Chamber of Commerce in the City of Commerce and President of North Hunt Water Supply.




Sarah Alderman, a Group 1 Health & Life Insurance Agent, joined the Diversified Insurance Team in July, 2012. Sarah specializes in group benefits plan administration, life insurance and individual/family health insurance.

Sarah is a native of New England, where she attended University of Connecticut and Bentley University, graduating in 2003 with a degree in Business Marketing.  In 2003, Sarah began her career in Boston with Filene’s/Kaufmanns (a division of May Company) as a Retail Assistant Buyer.  In 2005, she advanced to Buyer of Men's Outwear & Dress Shirts in the Men’s Division.  Sarah moved to Plano, TX to work for the JCPenney Corporation in May 2006 as a Sr. Assistant Buyer in the Women’s Division. 

In addition to her Insurance career,  Sarah is the Office Manager at, Alderman Construction in Roofing, located in Commerce, TX.  

Sarah lives in Commerce with her husband and 2 children.




Jency Holbert, a former teacher and administrator, is proud to serve as a Group 1 Health and Life Insurance agent with Diversified Insurance Services. Becoming licensed to practice as an insurance agent in 2005, Jency enjoys working as an educator of healthy life-style practices and injury prevention.

A Dallas native, Jency moved to Commerce in 1991 to begin a career at Texas A&M University-Commerce. Having completed a Bachelor’s degree in Health and Physical Education, a Master’s degree in Health Education and a second Master’s degree in Higher Education Administration; Jency has been employed as an instructor in health and physical education, the coordinator of secondary education in Curriculum and Instruction, and the Director of Educator Certification and Academic Services.

As a member of several professional organizations including Delta Kappa Gamma International Honor Society for Women Educators and the Texas Association of Health, Physical Education, Recreation, and Dance (TAHPERD), Jency has been involved in educational research, authored several publications, and presented many workshops across the state focusing on health issues and  pedagogy.



Stephanie, a former teacher, is our Client Relations Specialist. She graduated with honors from Texas A&M University-Commerce in 2010 with a bachelor's degree in Interdisciplinary Studies. Prior to joining the Diversified Insurance team, she taught Kindergarten for 7 years in Commerce ISD.


Stephanie and her husband, Jacob, own a local apiary and enjoy beekeeping! They have three beautiful children, Ethan, Noah, and Charlotte. They are members of First Baptist Church-Commerce.


Stephanie is an active member of the Aglaia Culture Club and enjoys participating in community events and fundraisers!

Our Mission

Our Mission at Diversified Insurance is a commitment to providing our clients and their employees the most cost effective employee benefit products available, along with an unmatched level of service.

Employers and employees can depend on our experience and expertise to bring them all the information they need to make sound, informed decisions in regard to insurance.

This same Commitment to Service and Honesty can be expected by both Individuals & Groups.


100 Kings Plaza Suite B

Commerce, TX 75428



Tel: 903-886-6943

Fax: 903-886-6947


Monday - Friday 

8:30 am to 5:00 pm