McDonnell, 52, has been president of ACG since May 2020 and was also named chief commercial officer in November 2021.
In his most recent role, McDonnell drove exceptional growth in Agilent's Services business, with significant improvements in profitability and customer satisfaction. As chief commercial officer he also led the transformation of the customer experience at Agilent by improving the end-to-end customer journey.Prior to becoming ACG president, McDonnell was vice president and general manager of Agilent's Chemistries and Supplies Division, a role to which he was named in 2017. He has been in the analytical- and scientific-instrument industry for 26 years, starting his career with Agilent's predecessor Hewlett-Packard Co. in 1998.
"I am both honored and energized to succeed Mike and become Agilent's next CEO," McDonnell said. "Mike has been a great mentor to me, and I welcome his continued support. Agilent's future will be defined by continued innovation, growth, and a relentless focus on our customers."
McMullen, 63, has served as Agilent CEO since 2015. Prior to becoming CEO, he was president of the company's Chemical Analysis Group (CAG) from 2009 until November 2014. During his tenure as CEO, he led Agilent's transformation into a market leading life-sciences and diagnostics company after the spin-off of the company's electronic measurement business, now Keysight Technologies.
Agilent's market capitalization has nearly tripled during McMullen's time as CEO. He drove a business and cultural transformation that led to significant improvements in growth and improved profitability. Under McMullen's leadership, Agilent is consistently ranked among the best companies to work for, which has been key to delivering some of the best financial results in the industry. "My career with Agilent has been truly special," McMullen said. "Our mission of advancing the quality of life combined with an outstanding company culture, an incredibly talented team, and our ongoing record of success, are all I could've ever asked for during my time with this great company. I look forward to having Padraig take over and moving on to the next chapter of my life. I have no doubt that under Padraig's leadership the best is yet to come for Agilent."With McDonnell becoming CEO-elect and COO, Angelica Riemann, vice president and general manager of ACG's CrossLab Services Division, will become ACG president. Jonah Kirkwood, vice president of Global Sales, will take on the role of chief commercial officer and lead the One aozhou2n.commercial Organization. Both will continue to report to McDonnell, effective immediately, along with the leaders of Agilent's business groups.
"As I think about Agilent's future," McDonnell said, "I am excited by the endless possibilities and opportunities that lie in front of us as we help our customers bring great science to life."