Lindsey graduated from the University of Nebraska Wesleyan in 2004 and continued her education at the University of Nebraska College of Law and graduated in 2007. She worked in two law firms in the Siouxland area before establishing Buchheit Law in 2013. She has admissions to practice law in Iowa, Nebraska, and South Dakota State Courts.

Lindsey regularly serves as an instructor/speaker locally and nationally serving attorneys, paralegals, financial advisors, accountants, and other professionals.  Her presentations focus primarily on estate planning, probate, trust administration, ethics, Medicaid planning, business succession planning, divorce and child custody.  She has served on several committees and boards for organizations throughout Siouxland, including Past President of the Siouxland Estate Planning Council, Secretary of Camp High Hopes, and current positions for the Iowa Supreme Court Grievance Commission (2018-2024 appointment) and Board Member at the Siouxland Humane Society.

In 2017, Lindsey earned her certification as an Estate Planning Law Specialist (EPLS) by the Estate Law Specialist Board, Inc., an organization accredited by the American Bar Association and affiliated with the National Association of Estate Planners & Councils.  (Disclaimer:  The Supreme Court of Iowa does not certify lawyers as specialists and the certification is not a requirement to practice law).   In 2021, Lindsey was recognized by Expertise.com as top probate attorney in Sioux City, Iowa.  Lindsey has been named a Top 10 Attorney in the State of Iowa by the National Association of Family Law Attorneys, Top 10 Attorney Under 40 in the State of Iowa by the National Association of Family Law Attorneys in 2015-2018, a Great Plains Rising Star by Super Lawyers since 2014, and a Top 10 Under 40 winner by Siouxland Magazine. In 2015, Buchheit Law was recognized as Business of the Month by the Small Business Development Center (SBDC).  In 2020 and 2021, Buchheit Law, PLC received the Siouxland's Choice Award for the Top Law Firm in Siouxland in the Sioux City Journal's Weekender. In 2023, Lindsey was selected to the 2023 Great Plains Super Lawyers list, an honor reserved for lawyers who exhibit excellence in practice.

She lives in Sergeant Bluff with her husband, Dave, two daughters, and two dogs.