Executive Team

The people who make Lexicon thrive.


Keri Stoner

 Sr. Director, Procurement and Real Estate

Ms. Stoner serves as Lexicon’s Sr. Director, Procurement and Real Estate after many years of experience in operational leadership roles for offices of varying sizes and holding titles such as Business Manager and Chief Operating Officer. While she spent a large part of her career in multiple industries such as education and IT, her broad background also reflects a large focus in law firms and the legal industry, which enabled her to bring an extremely valuable skillset to her current role. Ms. Stoner’s talent and passion for driving process improvement and building strong, team-oriented cultures also is reflected in her leadership position at Lexicon.

After graduating with a bachelor’s degree from Missouri State University, Ms. Stoner has learned to understand the needs of the clients and brings that knowledge to manage the customer service teams at Lexicon


Daniel Meyer

Director of Finance

As head of Lexicon’s finance and accounting team, Mr. Meyer oversees a team composed of more than 10 financial professionals who serve both internally within the company as well as provide service for the needs of Lexicon’s clients. Following his tenure as Lexicon’s Controller, he now serves as Director of Accounting.

Mr. Meyer and his team are responsible for all treasury functions at Lexicon and lead the annual budget process for Lexicon’s law firm clients. Most recently, he spent time specifically working in the legal field where he gained crucial skills in legal finance processes.

With a Bachelor of Science in Accounting from the University of Missouri – Columbia, Mr. Meyer uses his decades of experience in financial management roles to enthusiastically drive his team forward toward excellent client service.


Greg Crook

VP of Operations

Honed from a people-focused background in all facets of Human Resources, Mr. Crook’s role with Lexicon has evolved to an organization-wide focus.

He is instrumental in helping define, implement, and execute Lexicon’s short- and long-term strategies and helps facilitate the development, implementation, and execution of strategic planning. Additionally, he works to enable the wealth of talent in Client Services and Quality to improve services and removes barriers to ensure alignment and drive focus internally to enhance results and services provided to clients. He has led the Data Science function to translate raw data and statistics into identified trends and information to help client leaders to make the most informed and proactive decisions. As VP of HR, he has served the team to deliver people-focused solutions both internally and externally.

Mr. Crook received his Bachelor of Science in Psychology from Southern Illinois University Edwardsville and went on to earn a Master of Public Administration and Policy Analysis. He is a Certified Senior Professional In Human Resources (SPHR), Society of Human Resources Management Senior Certified Professional (SHRM-SCP), and Certified in Change Management Professional (Prosci).

His HR leadership experience has enabled him to be a top strategic business player in each of his prior roles. From the creation of business strategy and driving Mergers and Acquisition efforts to leadership development and anticipating market trends, he has contributed more broadly to organizational development and long-term sustainability and success of companies.

Mr. Crook’s philosophy values simplifying complex challenges by focusing on root cause analysis and aligning efforts to do what makes sense, then memorializing into standard practice and process for sustainable results.