Jayant Dey
Managing Director, Industrial Growth Products
About Jay
Jay Dey is a managing director for William Blair based in the firm’s New York office. He joined William Blair's investment banking team in 2026. Prior to William Blair, he worked for Credit Suisse, UBS, and BNP Paribas.
Languages Spoken
Hindi
Bengali
English
Rigorous pursuit of your success. Every transaction. Every time.
Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.
More about investment banking at William Blair
Industrial Growth Products
High-growth companies, market leaders, and tech-enabled businesses across the industrial landscape count on our knowledge of sector trends and our relationships with leading strategic acquirers and financial sponsors to assist across a range of advisory and financial alternatives. We bring deep expertise into the global trends redefining industrial activity, such as connected buildings and machines (IoT), the development of innovative specialty materials, and production technologies and regulatory changes.
More about our industrial growth products expertise
About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
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1935Year William Blair was founded
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1,950+Employees worldwide
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154 billion+Client assets
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90+ YearsIndependent and employee-owned
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20+Offices worldwide
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650+Companies under coverage
As of December 31, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Equity.