Wallace, who is currently vice president and general manager of the Americas Field Operations for Keysight, previously held a variety of leadership positions across sales, marketing and channel management for Hewlett-Packard, Agilent and Keysight.
"I am pleased to announce that Mark Wallace will lead our worldwide sales organization," said Ron Nersesian, Keysight's president and chief executive officer. "Mark is a proven energetic leader with all of the qualities to be a great fit for the role. I look forward to continuing our strong customer relationships under Mark's leadership as we move the company and next-generation technologies forward.
"I also want to acknowledge and thank Guy Séné for the significant results he has delivered for Keysight, Agilent and Hewlett-Packard over a four-decade career. He has made tremendous contributions in sales and division management in all parts of our international business. I wish him the very best moving forward," added Nersesian.
Séné has been senior vice president, worldwide sales at Keysight since August 2014. He joined Hewlett-Packard in 1976, and also worked at Agilent Technologies from 1999 to 2014.