Leadership Overview
Day & Zimmermann has 10 executives leading key functions including strategy, marketing, finance, human resources, and operations.
Driven by a legacy of innovation, Day & Zimmermann is dedicated to delivering essential solutions across construction, engineering, staffing, and defense, empowering leading corporations and governments worldwide with unparalleled expertise and commitment.
Driven by a legacy of innovation, Day & Zimmermann is dedicated to delivering essential solutions across construction, engineering, staffing, and defense, empowering leading corporations and governments worldwide with unparalleled expertise and commitment.
Leadership Roles at Day & Zimmermann
Harold Yoh - Chief Executive Officer
Harold Yoh, the Chief Executive Officer at Day & Zimmermann, directs the company's overarching strategy and operational execution. Yoh guides the organization's expansion in construction, engineering, staffing, and defense sectors, ensuring alignment with the company's long-standing commitment to its clients and stakeholders. This leadership role involves fostering innovation across all business units and maintaining the company's position as a trusted partner for major corporations and governments globally. Harold Yoh's vision propels Day & Zimmermann's mission to deliver critical solutions and drive significant market impact. The Chief Executive Officer's focus remains on sustainable growth and operational excellence, reinforcing the company's family-owned values and its dedication to client success across diverse industries.
Joseph Ritzel - Senior VP, Finance & Chief Financial Officer
Joseph Ritzel, the Senior VP, Finance & Chief Financial Officer at Day & Zimmermann, directs the company's financial operations and strategic fiscal planning. Ritzel manages all financial activities, including accounting, treasury, and investor relations, ensuring robust financial health and compliance across the organization's diverse sectors of construction, engineering, staffing, and defense. This critical position involves optimizing capital allocation and driving financial performance to support Day & Zimmermann's global operations and growth objectives. Joseph Ritzel's leadership ensures the company maintains a strong financial foundation, enabling continued investment in innovation and client solutions for leading corporations and governments. The Chief Financial Officer's oversight is paramount to sustaining the company's long-term viability and strategic expansion.
Kathleen King - Senior VP, Finance & Chief Financial Officer
Kathleen King, the Senior VP, Finance & Chief Financial Officer at Day & Zimmermann, collaborates on financial strategy and oversees key fiscal operations. King supports the company's financial integrity and performance across its construction, engineering, staffing, and defense solutions. This role involves managing financial reporting, budgeting, and risk assessment to ensure Day & Zimmermann's continued stability and growth. Kathleen King's contributions are essential in providing financial insights that guide strategic decision-making for serving leading corporations and governments. The Chief Financial Officer's expertise strengthens the company's financial resilience and supports its ambitious expansion plans, reinforcing its position as a trusted global partner.
Reg Pelham - President
Reg Pelham, the President at Day & Zimmermann, drives strategic initiatives and operational oversight for designated business segments. Pelham focuses on enhancing service delivery and expanding market reach within the company's core areas of construction, engineering, staffing, and defense. This leadership position is crucial for ensuring Day & Zimmermann consistently meets the complex demands of leading corporations and governments globally. Reg Pelham's leadership fosters collaboration and innovation, directly contributing to the company's reputation for excellence and reliability. The President's commitment to operational efficiency and client satisfaction reinforces Day & Zimmermann's enduring legacy and its forward-looking approach to industry challenges.
Clifford Cicholaz - President
Clifford Cicholaz, the President at Day & Zimmermann, spearheads critical operational strategies and business development efforts. Cicholaz oversees key functions aimed at strengthening the company's presence in construction, engineering, staffing, and defense solutions. This executive role is pivotal in ensuring Day & Zimmermann effectively serves its diverse clientele, including major corporations and governments worldwide. Clifford Cicholaz's leadership emphasizes operational excellence and strategic growth, driving the company's mission forward. The President's dedication to innovation and client success solidifies Day & Zimmermann's standing as a premier provider of essential services and solutions.
John McGuiness - President, Munitions Group
John McGuiness, the President, Munitions Group at Day & Zimmermann, directs the strategic operations and growth of the company's munitions division. McGuiness oversees the development, production, and delivery of advanced munitions solutions, ensuring the highest standards of quality and reliability for defense clients. This specialized leadership role is critical in supporting national security objectives and maintaining Day & Zimmermann's position as a key partner in the defense sector. John McGuiness's expertise drives innovation and operational efficiency within the Munitions Group, contributing significantly to the company's overall mission. The President's focus on technological advancement and supply chain integrity reinforces Day & Zimmermann's commitment to excellence in defense manufacturing.
John McCormick - President, Maintenance & Construction
John McCormick, the President, Maintenance & Construction at Day & Zimmermann, leads the company's extensive operations in maintenance and construction services. McCormick directs project execution, resource management, and client relations across a broad spectrum of industrial and commercial projects. This role is vital for delivering complex construction and maintenance solutions to leading corporations and governments, ensuring project success and client satisfaction. John McCormick's leadership emphasizes safety, quality, and timely completion, reinforcing Day & Zimmermann's reputation for excellence in the field. The President's strategic oversight drives operational efficiency and sustainable growth within the Maintenance & Construction division.
Douglas Magee - President, Government Services
Douglas Magee, the President, Government Services at Day & Zimmermann, leads the company's comprehensive support for government clients across various sectors. Magee oversees the delivery of critical services, including logistics, technical support, and program management, ensuring operational effectiveness and client success. This executive position is fundamental to Day & Zimmermann's role as a trusted partner for government agencies worldwide. Douglas Magee's strategic vision and operational expertise drive the expansion and enhancement of services tailored to meet the unique demands of government operations. The President's commitment to excellence and reliability solidifies Day & Zimmermann's strong presence in the government services market.
Matthew Rivera - Chief Marketing Officer
Matthew Rivera, the Chief Marketing Officer at Day & Zimmermann, architects and executes comprehensive marketing strategies that elevate brand visibility and market penetration. Rivera oversees all aspects of brand management, digital marketing, and corporate communications, ensuring consistent messaging across the construction, engineering, staffing, and defense solutions offered by the company. This role is critical in articulating the value proposition to leading corporations and governments worldwide. Matthew Rivera's initiatives drive lead generation and support business development efforts, directly contributing to revenue growth and market expansion. The Chief Marketing Officer's strategic direction ensures Day & Zimmermann remains a recognized leader, effectively communicating its legacy and forward-looking capabilities to a global audience.
Daniel Ross - Chief Human Resources Officer & Senior VP, Human Resources
Daniel Ross, the Chief Human Resources Officer & Senior VP, Human Resources at Day & Zimmermann, leads all human capital strategies and organizational development initiatives. Ross is responsible for talent acquisition, employee engagement, compensation and benefits, and fostering a strong corporate culture that supports the company's mission in construction, engineering, staffing, and defense. This executive role is vital in attracting and retaining top talent necessary to serve leading corporations and governments worldwide. Daniel Ross's focus on people ensures Day & Zimmermann possesses the skilled workforce required to execute complex projects and deliver exceptional service. The Chief Human Resources Officer's strategic guidance cultivates an environment of growth and collaboration, reinforcing the company's commitment to its employees and its operational excellence.
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