Meet the team behind the Talend vision

We are changing the way the world makes decisions by taking the work out of working with data

Leadership team

Christal Bemont

Chief Executive Officer

Christal is a seasoned executive with a demonstrated track record in defining and leading sales and go-to-market strategies to significantly scale cloud businesses. Previously, she spent 15 years at SAP Concur, most recently leading its $2B business organization as Chief Revenue Officer. Prior to her CRO appointment, Christal was Senior Vice President and General Manager of SAP Concur’s Small, Midsized and Nationals (SMN) business unit. Early in her career, Christal served in a number of capacities focused on operational and technical roles at Motorola, Extensity, and Clarify.

Adam Meister

Chief Financial Officer

Adam joined Talend as Chief Financial Officer in 2018, bringing with him an in-depth knowledge of the software industry and strong capital markets expertise. Prior to Talend, Adam served as a Managing Director in the Technology, Media and Telecom Investment Banking Group at Goldman Sachs where he focused on advising and leading transaction execution for software clients.


Krishna Tammana

Chief Technology Officer

Krishna is responsible for scaling the product and engineering organizations to drive innovation and Talend’s continued market growth. Previously, Krishna spent nearly a decade as VP of Engineering at Splunk where he led global engineering teams and cloud operations during the company’s successful portfolio expansion and transition to the cloud. Prior to Splunk, Krishna held engineering management roles at Dun & Bradstreet, YouSendIt, RIGHT90 INC. and E*Trade.

Ann-Christel Graham

Chief Revenue Officer

Ann-Christel is responsible for Talend’s worldwide sales and channel operations. Prior to joining Talend, Ann-Christel was SAP Concur’s vice president sales, enterprise clients. She was part of the leadership team from Concur which was acquired by SAP in 2014. Ann-Christel brings over two decades of experience in SaaS enterprise sales from a global, regional, and sales engineer perspective.


Jamie Kiser

Chief Operating Officer & Chief Customer Officer

Jamie leads all of Talend’s operating and customer success functions. Prior to joining Talend, Jamie served over six years with SAP in various product, services, and operations leadership roles. Her most recent role at SAP was vice president, global public sector for SAP Concur where she led the formation of a global center of excellence focused on growing the public sector footprint. Before that, Jamie led operations for a global services organization of 3,500 people and drove the transformation of multiple areas of their business, including learning services, partner delivery, security and compliance, and systems innovation.

Lauren Vaccarello

Chief Marketing Officer

Lauren joins Talend with a lengthy track record of accelerating revenue growth at some of Silicon Valley’s fastest-growing SaaS companies through modern digital marketing, branding, and demand generation programs. Previously, she served as Vice President of Marketing at Box and has also held executive roles at AdRoll and Salesforce.


Michelle Sitzman

Chief People Officer

Michelle joined Talend in 2019 bringing with her extensive experience in talent management. As Chief People Officer, she leads Talend’s global People and Workspaces teams. Prior to Talend, Michelle held People leadership roles in several of Silicon Valley’s fastest growing companies, including Equinix, VMware and most recently LinkedIn.

Aaron Ross

General Counsel

Before joining Talend, Aaron held senior in-house legal roles at Flex, Atmel, and Technicolor. Earlier in his career, he was an associate in the London and Paris offices of Skadden, Arps, Slate, Meagher & Flom LLP and the San Francisco offices of Orrick, Herrington & Sutcliffe LLP. Aaron has a B.A. in Philosophy from Cornell and a J.D. from the U.C. Berkeley School of Law.

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