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Monica Manolas elected as chair of American Cement Association
Written by Global Cement staff
12 November 2025
US: The American Cement Association (ACA) has elected Monica Manolas as the chair of its board of directors. Manolas is the Region President at Ash Grove East. She is the first woman in the ACA history to be elected to this position. David Loomes, president of the Cement Segment at Quikrete Cement, was appointed as vice chair.
Manolas previously worked as the president of Suwannee American Cement from 2018 to 2022. Before this, she held roles at Cemex eventually becoming Vice President Cement Sales. She began her career in the cement sector working for Rinker in the 1990s. Manolas holds a master’s degree in industrial and systems engineering and a master’s in business administration (MBA) from the University of Florida.
Denise Sparks appointed as head of Cement Industry Federation
Written by Global Cement staff
12 November 2025
Australia: The Cement Industry Federation has appointed Denise Sparks as its CEO with effect from 17 November 2025. She has held senior roles in the Australian and Queensland governments. The CIF says she brings experience in strategic stakeholder engagement and industry advocacy to the role. The CIF is the industry association for manufacturers of clinker, cement and cement products in Australia.
Michael Kuhnen to become new head of Hosokawa Alpine
Written by Global Cement staff
12 November 2025
Germany: Hosokawa Alpine has appointed Michael Kuhnen as its CEO. Kathrin Dörle has also been appointed as chief financial officer. They succeed Antonio Fernández and Jürgen Wilde respectively. Both appointments will start in 2026.
Kuhnen has spent 19 years in various management positions at Hosokawa Alpine and is returning after one and a half years outside the group. Dörle has worked for the company for over 20 years. Her appointment marks the first time a woman has joined the executive board.
Hosokawa Alpine manufactures machines and systems used in processing powders, granulates and bulk materials, and ones used in film extrusion operations for the manufacture and finishing of blown film. It headquarters is based in Augsburg, Germany and it operates several domestic and international subsidiaries. Since 1987, the company has been a wholly-owned subsidiary of the Japan-based Hosokawa Micron Corporation.
Stijn Jennissen appointed as CEO at N+P Group
Written by Global Cement staff
12 November 2025
Netherlands: N+P Group has appointed Stijn Jennissen as CEO. He has worked for N+P Group since 2009 when he started as a trainee. He became Chief Commercial Officer in 2017 and joined the board of director in 2019. Jennissen holds a business degree from the Business School Notenboom.
N+P Group specialises in the production and supply of waste derived alternative materials for various industries. It was founded in 1992 by Karel and Karin Jennissen.
Ke Zhigang appointed as Chief Financial Officer of Lafarge Africa
Written by Global Cement staff
05 November 2025
Nigeria: Lafarge Africa has appointed Ke Zhigang as its Chief Financial Officer. He succeeds Puneet Sharma in the post.
Ke Zhigang holds over 20 years’ experience in the cement sector. He started working for Huaxin Cement in 2003 and later became its Overseas Regional Finance Director in 2018. Ke Zhigang holds a master of business administration (MBA) qualification from Huazhong University of Science and Technology and an undergraduate degree in accounting from Huazhong Agricultural University.
China-based Huaxin Cement acquired a majority-share from Holcim in August 2025.



