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

Kristin Nimsger Weston

Interim Chief Executive Officer

Kristin is an Operating Partner at ThomaBravo and currently serves as interim Chief Executive Officer of Talend. Kristin brings more than 20 years of experience driving outsized growth in software and technology companies. Kristin was President of Kroll Ontrack, where she ran the legal tech business from start-up to more than $200M in seven years. She also served as CEO of MicroEdge, the leading provider of grants management software solutions, and Social Solutions Global, a cloud software provider for social service organisations.

Jamie Kiser

Chief Operating Officer

Jamie leads all of Talend’s operating 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 organisation 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.


Robert Purcell

Chief Financial Officer

Robert is an accomplished financial executive with more than 25 years of leadership experience across finance at some of the most admired companies in the world, including Paysafe, Intuit, Amgen, and Deloitte. He brings with him an in-depth knowledge of the software and technology industry.

Sam Pierson

Chief Technology Officer

Sam is responsible for scaling the engineering organisation to drive innovation and Talend’s continued market growth. He is an experienced technology leader with a highly technical engineering and computer science background. Most recently, Sam was SVP of Engineering at Illuminate Education, a SaaS education-technology company. He was also a technology executive at Sansoro Health, where he was brought in to spearhead a significant cloud migration initiative.


Casey George

Chief Revenue Officer

Casey leads Talend’s go-to-market alignment to build new customer relationships and deepen strategic partnerships with technology leaders, system integrators, and value-added resellers. Casey brings over 20 years of experience scaling SaaS companies and a proven track record of earning customer loyalty and accelerating growth. Prior to Talend, he was most recently Senior Vice President and General Manager at Verint, a global leader in customer engagement, and spent over 20 years at IBM in multiple executive roles.

Jason Penkethman

Chief Product Officer

Jason defines Talend’s product vision to help companies achieve enterprise-wide data health and become truly data-driven. He’s an innovative product executive who brings 20+ years of experience in product management and engineering, cloud-based product technology, and corporate strategy. Prior to joining Talend, Jason led product technology and strategy at Spireon, a leader in telematics.


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.

Jeff Lambert

Chief Legal Officer

Jeff joined Talend as Chief Legal Officer in 2021, and is responsible for its worldwide legal operations. An accomplished C-Suite legal and business strategist, Jeff brings with him a broad array of skills and experience leading global, high-growth public and private software and technology services businesses. Prior to Talend, Jeff served as the Chief Legal Officer and head of Corporate Development for two flagship fund level, private equity sponsored platform software companies. Jeff’s tenure has been highlighted by the completion of nearly 50 M&A deals, including multiple successful exit events and an IPO.

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