Digital Dynamics™ is in our DNA

We are born problem solvers, and many on our team have pioneered transformative software-defined technologies with industry-leading companies. This unique expertise and track record of breakthrough innovation make Sonatus an ideal partner for helping automakers get an early and commanding lead in the digital race.

Leadership Team

Meet the innovative individuals working to make every vehicle digitally dynamic.

Jeff Chou - CEO & Co-Founder

Jeff Chou

CEO & Co-Founder

Over his distinguished career in Silicon Valley, Jeff has led innovation teams at multiple startups that went on to be recognized and acquired by Cisco, Brocade, and others. His efforts resulted in the creation of products and solutions that were central in driving various transformations in the IT data center. He has pioneered new technologies as an engineer and as a co-founding CEO. Having been in the middle of disruption in finance, media, and cloud industries, Jeff identified the digital transformation of the automotive industry. The key to unlocking the digital automobile is in advanced infrastructure based on the modern software-defined data center itself. In 2018, Jeff and Yu Fang co-founded Sonatus with the vision to simplify and accelerate the digital transformation of the automobile.

Jeff earned his BSEE in Computer Engineering from the University of Texas at Austin and his MSEE in Computer Engineering from Stanford.

Yu Fang - CTO & Co-Founder

Yu Fang

CTO & Co-Founder

A seasoned entrepreneur, technologist, and executive, Yu brings over 20 years of experience leading high-performance teams and building cutting-edge technologies and products for the data center, eCommerce, and automotive markets. Before founding Sonatus, as Head of Mobile Engineering, Yu led a team that built AI-based software on mobile platforms to improve the driving safety of commercial fleets. Before that, as SVP of Engineering at Tanjarine and CTO at Cardfree, Yu led the development of a mobile and cloud-based eCommerce platform serving tens of thousands of stores and tens of millions of customers. Previously at Nuova (acquired by Cisco) and Sanera (acquired by Brocade), Yu led the development of multiple innovative, high-performance, highly scalable, and robust server, storage, and networking systems. Earlier, Yu was a lead designer of multiple modules in one of the industry's first multi-core microprocessors at Sun Microsystems.

Yu holds a BS in Applied Physics from Tsinghua University, an MS in Electrical and Computer Engineering from the University of Rochester, and an MBA from Haas School of Business, University of California Berkeley.

Troy Trenchard - Chief Marketing Officer

Troy Trenchard

Chief Marketing Officer

Troy has extensive experience developing, managing, marketing, and selling a broad range of innovative, customer-centric solutions and services for Enterprise, SMB, Consumer, and Service Provider customers globally. After designing integrated circuits at Hewlett-Packard, he transitioned to product management at Apple, and then grew and managed billion-dollar product lines at Cisco. Subsequently, Troy took on senior executive management roles at leading software, communications, and IT services companies like Citrix and Avaya, launching a long list of innovative, successful products. More recently, he has applied his broad and deep experience in more entrepreneurial ventures. As a lifelong automotive enthusiast, Troy was excited to join Sonatus in 2019 to lead the company's strategy and management of software products with the shared vision of simplifying and accelerating the transformation of the automobile.

Troy earned a BS in Electrical Engineering and Computer Science from UC Berkeley, as well as an MBA from the Haas School of Management at UC Berkeley.

Wallie Leung - Head of Business Development

Wallie Leung

Head of Business Development

Wallie joined Sonatus in October 2019 with a wealth of experience in go-to-market strategy, technical sales management, and pre-sales engineering acquired during his successful tenures with 3PAR/HP, F5 Networks, and Diamanti. Over his career across diverse technology categories, he has achieved an exceptional track record of building successful teams of account executives, sales engineers, and solutions architects. Wallie is adept at supporting sales teams to navigate complex organizations, develop targeted strategies, close deals, and acquire new clients. At Sonatus, Wallie is charged with managing front-line customer engagements to build advocacy for our software-defined vehicle solutions and expand our leading OEM customer base.

Wallie earned a BA in Physics from Colby College and an MS in Financial Engineering from Polytechnic University.

Michael Cory - Head of Marketing & Communications

Michael Cory

Head of Marketing & Communications

Michael joined Sonatus in June 2020 bringing both comprehensive industry experience and a lifelong passion for automobiles. He started his automotive career in 2007 with Toyota North America. During his tenure there, Michael developed a solid understanding of the complexities of the automobile industry, from development to after-sales, through the roles he held across multiple divisions of the organization. In 2014, he expanded his auto industry experience to the supplier side, founding North American Sales & Marketing teams at Bang & Olufsen and Harman International, working with several OEMs around the world. In 2021, Michael was honored as a Rising Star by Automotive News. 

Michael earned a BA in Business Administration and Economics and a minor in Spanish from Illinois Wesleyan University and an MBA from Georgetown University, McDonough School of Business.

Kathleen Pearl - Director of Partner and Strategic Alliances

Kathleen Pearl

Director of Partner and Strategic Alliances

A seasoned and top-producing Silicon Valley sales leader in several technology categories, Kathleen joined Sonatus in December 2019 to head Business Development strategy and execution. She leverages her exceptional successes in market expansion, new account development, business retention, and growth strategies with several leading technology companies, SanDisk and Texas Instruments among them, to strategically expand Sonatus' network of distinguished technology partners. In 2021, Kathleen was honored by the Silicon Valley Business Journal with its Women of Influence award for her outstanding professional and personal accomplishments and contributions.

Kathleen earned a BS in Commerce and Marketing from Santa Clara University.

Alison Lam - Head of Operations

Alison Lam

Head of Operations

Alison joined Sonatus in June 2019 with a wealth of experience in senior engineering management. She began her career building and leading development test teams, and expanded on this foundation to become exceptionally adept at managing and finding solutions for complex, high visibility customer-facing issues at Cisco and, most recently, Ciena. Alison's laudable track record of successful releases over her career is supported by her expertise in engineering process, project management, quality metrics, product life cycle management, and budget planning. At Sonatus, she applies all these skills and more while wearing many hats to ensure that our commitment to a nimble and customer-focused partnership experience holds strong.

Alison earned a BS in Electrical Engineering from Purdue University.

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Sonatus Vision
Sonatus Vision
Sonatus Vision

To enable every vehicle to become digitally dynamic—creating a more intelligent, connected, and beneficial future of mobility.



Sonatus Mission
Sonatus Mission
Sonatus Mission

To create transformative solutions that unlock the full potential of software-defined vehicles.

Sonatus Values Sonatus Values



for people, truth, and the role
technology plays in improving lives.


that breaks barriers, fuels innovation,
and creates the future.


with those who are committed to making
a difference that goes beyond self.


that far exceeds expectations and continuously strives to improve outcomes.
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