Sigma Cubed Inc. (SIGMA³) has named Charlotte Kula as the company’s CFO, according to a news release.

Kula has more than 30 years of accounting and finance experience across multiple sectors of the oil and gas industry, including services, drilling and shipping. She joined SIGMA³ as controller in 2013 and architected cost-savings and productivity initiatives covering 10 subsidiaries, including streamlined KPI-based financial reporting and a consolidated accounting platform, the release said.

With a focus on small to midstream private and public oil and gas companies, including private equity, the company said Kula has managed all areas of accounting, forecasting, and financial reporting. Prior to joining SIGMA³, she served as assistant controller at SPT Inc. and controller at OSG Lightering LLC, Bayoil USA Inc., Energy Development Corp. and Yuma Petroleum Co, the release said.

Kula holds a BS in finance and accounting from the University of Tennessee and an associate’s degree in accounting from the University of Houston. She is a member of the Institute of Certified Management Accounting (IMA), the release said.