Lakeland, FL — December 23, 2021

Chastain-Skillman, LLC, Lakeland-based civil engineering, water/wastewater engineering, and land surveying firm, has named Director of Finance, Andy Mason, to Chief Financial Officer of the company effective December 22nd, 2021. Mr. Mason joined the Chastain-Skillman team in March 2019 and has previously served as Senior Accountant and Director of Accounting and Finance.

“Competent management of our financial and accounting functions is critical to our company’s success,” said former president of Chastain-Skillman and current Principal/Senior Consultant, Dr. Jim Chastain. “CSI is fortunate to have someone of the caliber of Andy Mason to oversee that element of the business. Over the years we have had a number of good individuals in the CFO role, but Andy is among the best because he is not only technically competent, but he is a creative thinker, a problem solver, and a team builder. He will be a key part of our success.”

Mr. Mason has been instrumental in positioning Chastain-Skillman to become one of the leading civil and water/wastewater engineering and land surveying firms in Central Florida. More recently, Mr. Mason led the financial department as Director of Accounting & Finance through Chastain-Skillman’s regional growth and expansion in 2021, which included opening branch offices in Orlando, FL, and Nashville, TN.

“Andy has always been a fantastic resource in the accounting group and his promotion to CFO recognizes his contributions to the firm,” said Lennie Arnold, Chief Operations Officer for Chastain-Skillman. “I am excited to be his partner and to work alongside him to help make Chastain Skillman the best engineering firm we can be.”

In his new role as Chief Financial Officer, Mr. Mason will continue to lead Chastain-Skillman’s financial and accounting departments and will be responsible for the overall planning and management of the company’s financial affairs. Mr. Mason’s responsibilities will also include maintaining tax and regulation compliance, creating the annual operating budget, and mentoring and training Staff Accountants and Accounting Interns.

Before joining the Chastain-Skillman team, Mr. Mason served as an Account Executive for Colgate-Palmolive Company. He began his career with Altria Group, Inc. as a Sales Manager. Mr. Mason holds a Bachelor’s degree in Food and Resource Economics from the University of Florida and a Master’s degree in Accountancy from Florida Southern College.

CS is a leading engineering firm headquartered in Lakeland, Florida, with satellite offices in Orlando, FL, and Nashville, TN. Established in Lakeland in 1950, our company provides Civil Engineering, Water/Wastewater Engineering, Land Surveying, Geology/Hydrogeology, and Construction Management/Inspections services. Our team consists of 70 employees licensed across 32 states.

At CS, we treasure our role in creating thriving communities, always respecting the impact our work has on their foundations and their futures. For more information, visit


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