Who We Are

John began his career as a financial advisor in 2000. He founded and is lead advisor at Leithner Financial Group. John earned a BS in accounting, business administration, and economics from Eastern Oregon University. John provides his clients with a wide range of specialized financial guidance. He enjoys providing holistic financial planning. His focus is on his clients' investment, insurance, retirement, and wealth management needs. John holds the FINRA Series 7, 63, and 66 securities registrations as well as life and health insurance licenses. John specializes in creating and maintaining personalized financial plans for families, which includes budgeting, retirement, life insurance, long-term care, and estate planning. Some of John’s most treasured moments are when he can sit down with his clients and show them how they can achieve their hopes and dreams.

They have two adult children and one grandchild. Their daughter, Brittany, and her husband live on a buffalo ranch outside of Lubbock, Texas. They just had their first son. John and April’s son, Trevor, is a senior at Texas A&M University in College Station, Texas. Both kids were very active in 4-H and FFA growing up and raised Herefords and club lambs. John served on junior livestock auction committees and the fair board during this time. John and April live on a small farm, and John loves to snow ski in the winter. They love to spend time with their children and grandchild. They also love to go see new places in the U.S. and plan fun ski trips to different ski resorts during the winter.

There are few financial planners who have an insight into caregiving like Tena Burrell who has been caregiving her own family members for many years, and is extremely active in the senior care community of D/FW. 

With thirty years of experience, Tena focuses on the unique needs of retirees, including financial management for caregivers, long term care options and social issues facing the family.

Her wide range of services enable individuals and families to plan for the future and protect and grow their financial assets while maintaining their standard of living - regardless of life’s challenges.

Tena works closely with many assisted living, memory care and long term care facilities in the Metroplex.  As part of her volunteer work with the Area Agency on Aging to facilitate Elder Family Caregiver Education workshops at senior centers, churches, and 55 plus communities. Tena is a volunteer board member of the Grapevine Senior Activity Center Advisory Council, and Tarrant County College Senior Education Program.

Tena assists her clients with retirement and estate planning, tax planning and investment portfolio management as a certified Investment Advisory Representative.