interim-ceo
(6)
Chris McNulty
Chris McNulty is the interim CEO of Ring Therapeutics, a Cambridge, Massachusetts biotech developing genetic medicines that use commensal anelloviruses as delivery vectors. An MIT-trained engineer with a Harvard MBA, he joined Ring in May 2023 as Chief Financial Officer and Head of Corporate Strategy and stepped up to lead the company in December 2024. Over more than 15 years in pharma and biotech finance, he has closed financing transactions worth more than $300 million across companies including VBI Vaccines, InVivo Therapeutics, Repligen, and Genzyme.
Jay Chen
Jay Chen is the interim CEO of Contextual AI, the Silicon Valley enterprise company building a 'context layer' for grounded AI agents. He stepped into the top job in 2026 after co-founder Douwe Kiela and a group of researchers moved to Google DeepMind under a licensing deal. A Wharton MBA who started as a chip engineer at NVIDIA, Chen built his career across product marketing and growth roles at Confluent, Starburst, Opendoor and Twingate before joining Contextual AI as VP of Marketing, where he helped launch its enterprise RAG platform.
Alfonso Villanueva
Alfonso Villanueva is the EVP, Chief Transformation Officer and Interim CEO of Verizon Consumer Group - the largest consumer wireless carrier in the United States. A former McKinsey Senior Partner and PayPal EVP, he joined Verizon in November 2025 at the invitation of new CEO Dan Schulman, his former PayPal colleague, to lead a sweeping $5B+ operational transformation. With roots in strategy consulting across Asia-Pacific and two decades of experience in telecom, media, and technology, Villanueva brings a rare blend of corporate venture expertise, AI-driven data strategy, and global transformation leadership to one of America's biggest companies.
Marc Winterhoff
Marc Winterhoff is the interim Chief Executive Officer of Lucid Motors, the Newark, California luxury EV maker behind the Air sedan and Gravity SUV. A German-trained electrical engineer who spent decades advising automakers at Roland Berger and Arthur D. Little, he joined Lucid as COO in December 2023 and was elevated to interim CEO in February 2025 after founder Peter Rawlinson stepped aside. He has steered the company through a fragile stretch: stretching the cash runway into 2027, deepening the PIF and Uber partnerships, and prepping a robotaxi-ready Midsize platform. In April 2026 Lucid named Schindler veteran Silvio Napoli as permanent CEO; Winterhoff will return to the COO role.
Michael Richards
Michael Richards is the Interim Chief Executive Officer of Wiser Solutions, a San Mateo-based commerce execution platform serving brands and retailers with pricing, promotions, and retail intelligence. A career operator and transformation specialist, Richards spent three decades inside private equity and Big Four advisory before stepping into operating roles, including stints as COO/CFO of Muse Group and Chief Transformation Officer at Whip Media. He joined Wiser in his interim capacity backed by Symphony Technology Group, where he serves as Operating Partner.
Yuxing Li
Yuxing Li is listed as an Interim CEO connected with Huawei, the Shenzhen-headquartered telecommunications and consumer electronics giant. Based in Redwood City, California, Yuxing sits at the intersection of two of the most scrutinized technology ecosystems in the world: Silicon Valley and Shenzhen.