The Los Angeles County Department of Medical Examiner has confirmed the passing of Joshua DuClos, a 45-year-old White/Caucasian male, whose death has left a deep void in both the legal and academic communities. Known affectionately as Josh, he passed away in Los Angeles County, leaving behind a legacy defined by professional brilliance, intellectual generosity, and profound integrity.
Josh was a partner in the Mergers & Acquisitions and Private Equity practice at Sidley Austin LLP’s Century City office, where he was recognized as one of the firm’s most talented and trusted attorneys. His sharp legal mind, deep understanding of complex transactions, and steadfast commitment to client service made him a cornerstone of the practice. Colleagues remember him not only for his excellence in law but for his humility, mentorship, and genuine care for others, describing him as a loyal friend and an inspiring professional who led by quiet example.
In addition to his distinguished legal career, Josh was deeply devoted to education and mentorship. As an adjunct professor at Pepperdine Caruso School of Law, he taught Mergers and Acquisitions, where he shared his expertise with future generations of lawyers. Students admired his ability to demystify intricate legal concepts while encouraging curiosity, confidence, and ethical reflection in the classroom.
Josh’s impact extended beyond the legal sphere. A Humanity in Action Senior Fellow since 2003, he embodied a lifelong commitment to advancing human rights, civic responsibility, and ethical leadership. His dedication to these causes reflected a worldview rooted in compassion, justice, and service to others.
Those who knew Josh describe him as a man of wisdom, warmth, and grace—someone who made every conversation meaningful and every relationship lasting. His passing is a heartbreaking loss to his family, friends, colleagues, students, and all who had the privilege of knowing him.
Details regarding obituary, funeral arrangements, and tributes will be shared as they become available. In the meantime, the many lives Josh touched continue to honor his memory through the work, values, and kindness he inspired in others.