JMI Equity has promoted Kathy Fields to general partner on their investment team. She will also continue her role as general counsel.
Versant Ventures, a San Francisco-based healthcare investment firm, has promoted Carlo Rizzuto to head its New York City office.
QuestMark Partners has promoted Brian Matthews to partner. He initially joined the investment firm in 2008.
Genstar Capital, a private equity and growth investment firm that recently raised $2 billion for its seventh fund, has named J. Ryan Clark as president. He originally joined Genstar in 2004.
Bessemer Venture Partners has promoted Eric Ahlgren to vice president. He joined the firm in 2013 from Summit Partners to focus on data infrastructure, cloud computing and consumer services.