Dianne Ralston is the Chief Legal Officer and Secretary at Schlumberger NV, a leading global technology company that provides solutions for the energy industry. With over two decades of experience in the legal field, Ralston has built a distinguished career, marked by her expertise in corporate governance, compliance, and international law. Prior to joining Schlumberger, she held significant positions at several multinational corporations, where she honed her skills in navigating complex legal landscapes and fostering ethical business practices. In her role at Schlumberger, Ralston is responsible for overseeing the company's global legal affairs, ensuring compliance with international regulations, and providing strategic legal counsel to the executive team. Her leadership has been instrumental in guiding Schlumberger through various mergers and acquisitions, as well as in developing robust compliance programs that uphold the company's commitment to integrity and transparency. Ralston's strategic vision and dedication to excellence have earned her recognition within the industry, making her a pivotal figure in Schlumberger's ongoing success. Beyond her professional achievements, Ralston is known for her commitment to fostering diversity and inclusion within the legal profession. She actively participates in initiatives aimed at mentoring young lawyers and promoting equal opportunities in the workplace. Her multifaceted approach to leadership, combining legal acumen with a strong ethical foundation, continues to drive Schlumberger forward as a leader in the energy sector.