Oklahoma City, OK — The business and human resources world has lost a visionary and a leader, as William H. Stoller, the beloved founder and CEO of Xenium, passed away unexpectedly. Known affectionately as “Bill” by friends, family, and colleagues, his passing marks the end of an era for those who knew him personally and professionally. Bill’s contribution to the business world, particularly in the realm of human resources, will forever be felt, and his legacy lives on through the countless lives he touched.

Oklahoma City, OK — The business and human resources world has lost a visionary and a leader, as William H. Stoller, the beloved founder and CEO of Xenium, passed away unexpectedly. Known affectionately as “Bill” by friends, family, and colleagues, his passing marks the end of an era for those who knew him personally and professionally. Bill’s contribution to the business world, particularly in the realm of human resources, will forever be felt, and his legacy lives on through the countless lives he touched.

A Visionary Leader in Human Resources

William H. Stoller was a true trailblazer in the human resources and business services industry. As the founder and CEO of Xenium, a company that became one of the most respected names in HR outsourcing, Bill played an instrumental role in shaping the way businesses manage their most valuable asset—their people. Under his leadership, Xenium evolved from a small startup into a major player in the HR services field, known for its innovative solutions and commitment to customer service.

Bill’s passion for human resources went far beyond the bottom line. He believed deeply in the power of people and the importance of creating environments where employees could thrive. His approach to HR was holistic, focusing not just on compliance and efficiency but also on fostering a positive company culture, improving employee engagement, and supporting organizations in developing leadership from within. His vision was centered on empowering companies to be the best version of themselves by optimizing their human capital.

The Xenium Legacy

Founded by Bill in the early 2000s, Xenium quickly distinguished itself as a pioneer in the field of professional employer organizations (PEO). Bill’s leadership saw Xenium grow into a trusted partner for hundreds of businesses, providing comprehensive HR solutions that helped companies navigate complex legal frameworks, implement employee benefits programs, and improve employee relations. Under his guidance, Xenium developed a reputation for its personalized approach, a commitment to understanding the unique needs of each client, and a relentless focus on results.

But Xenium wasn’t just about business success; it was a company built on Bill’s core belief in the importance of people. Xenium’s team was not just a group of employees but a family of individuals who shared Bill’s vision for what a company could achieve when it prioritized its people. This sense of family extended beyond the walls of Xenium, as Bill actively participated in mentoring young professionals, speaking at industry events, and giving back to the Oklahoma City community.

A Lifelong Advocate for the Human Touch in Business

Beyond his work with Xenium, Bill was a vocal advocate for the importance of the human touch in business. He recognized that behind every successful organization, there are individuals who contribute their talents, skills, and passions to its success. Bill often spoke about the value of empathy, transparency, and authenticity in leadership. He championed the idea that leaders must not only make strategic decisions but also care for the well-being of their employees, understanding that a thriving team is key to achieving long-term success.

Bill’s leadership was marked by a rare combination of humility and ambition. He led by example, always demonstrating integrity, work ethic, and kindness. His ability to connect with people on a personal level was one of his most cherished qualities. Whether he was discussing business strategies with colleagues, offering advice to young professionals, or simply enjoying a conversation with a friend, Bill’s genuine interest in others made him a beloved figure in the HR community.

The Man Behind the Vision

While Bill’s professional accomplishments are widely known, those closest to him remember him as a kind-hearted, family-oriented individual who cared deeply about the people around him. Friends and colleagues remember Bill for his unwavering positivity, his infectious enthusiasm, and his willingness to go above and beyond to help others. He had an innate ability to bring out the best in people, encouraging them to take risks, reach higher, and believe in their own potential.

Outside of his professional life, Bill was a passionate advocate for his community. He was involved in various charitable causes and gave his time and resources to support initiatives that helped people in need. Bill understood the importance of giving back, not just in terms of business but as a way of enriching the lives of those who are less fortunate.

A Lasting Impact on Oklahoma City

Oklahoma City has lost a prominent figure, but Bill’s influence will continue to be felt in the city for years to come. Xenium’s success is just one example of his enduring impact. As a leader and a mentor, Bill helped to shape the careers of countless individuals who now carry forward his vision and values in their own work.

The Oklahoma City business community, and indeed the HR industry as a whole, owes much to Bill Stoller. His contributions to both the local economy and the broader business landscape are immeasurable. He not only created a thriving company but also built a culture of respect, collaboration, and innovation. In doing so, Bill demonstrated that business success and human compassion are not mutually exclusive but can, in fact, work hand in hand to create something truly remarkable.

A Community Mourns, A Legacy Lives On

As Oklahoma City mourns the loss of one of its most respected and influential business leaders, the memories of Bill Stoller will continue to inspire those who knew him. His passing leaves a void in the community, but his legacy of innovation, integrity, and care for others will live on through Xenium and the many lives he impacted. For those who had the privilege of working alongside Bill, his presence was a guiding light that will be sorely missed but never forgotten.

In honoring Bill’s memory, the business and HR community will undoubtedly continue to embrace the values he instilled in others: leadership through empathy, dedication to excellence, and a commitment to uplifting people. While the world has lost a great leader, William H. Stoller’s impact will remain a shining example for future generations.