克拉维约 KVYO

Landon Edmond has served as our Chief Legal Officer and General Counsel since December 2020. Prior to joining Klaviyo, Mr. Edmond served in a variety of leadership positions at SAP SE, an enterprise application software company, from May 2012 to December 2020, including as Senior Vice President and General Counsel. Prior to its acquisition by SAP SE in 2012, Mr. Edmond served in various leadership roles, including as General Counsel, at Ariba, Inc., a spend management software company, from May 2000 to April 2012. Since October 2020, Mr. Edmond has served on the advisory board of the Santa Clara University School of Law. Mr. Edmond holds a B.A. in Sociology from the University of South Florida and a J.D. from the Santa Clara University School of Law.

Ms. Ceran, Former Chief Financial Officer, Smartsheet, Inc. Ms. Ceran served as Interim Chief Financial Officer of Klaviyo from November 2021 to May 2022. Ms. Ceran also previously served as Chief Financial Officer of Smartsheet Inc. (Smartsheet), a productivity and project management software development company, from September 2016 to January 2021. Prior to joining Smartsheet, Ms. Ceran served as Chief Financial Officer at Quotient Technology, Inc., a marketing platform company, from September 2015 to September 2016, and as Vice President of Finance at Box, Inc., a cloud content management platform, from October 2012 to September 2015. From April 2003 to August 2012, Ms. Ceran served in various leadership capacities at eBay Inc., a global commerce and consumer payment platform, including as Vice President of Finance. Ms. Ceran currently serves as a director at Riskified Ltd. (NYSE: RSKD), NerdWallet, Inc. (NASDAQ: NRDS), and various private companies, and is a former director at Plum Acquisition Corp I (NASDAQ: PLMIU). Ms. Ceran holds a B.A. in Communications and French from Vanderbilt University and an M.B.A. in Finance and Accounting from the University of Chicago's Booth School of Business. Other Current Public Company Boards: Riskified Ltd. (NYSE: RSKD), NerdWallet, Inc. (NASDAQ: NRDS).

Ms. Oulman, Former Executive Vice President & Chief Financial Officer, Medallia, Inc. Ms. Oulman served as Executive Vice President and Chief Financial Officer of Medallia, Inc. (Medallia) from November 2018 to June 2022. Medallia, a cloud-based customer experience management software company, was acquired by Thoma Bravo in October 2021. From November 2016 to September 2018, Ms. Oulman served as Executive Vice President and Chief Financial Officer of CallidusCloud, an enterprise software and SaaS company acquired by SAP SE in April 2018. Ms. Oulman also held various leadership positions at CallidusCloud from May 2013 to November 2016. From June 2011 to October 2012, Ms. Oulman served as Interim Chief Financial Officer at Thoratec Corporation, a biomedical device company, and from 2004 to 2011, she held several other financial leadership positions at Thoratec Corporation. Ms. Oulman has served as a CFO Operating Partner at Lightspeed Venture Partners, a venture capital firm, since April 2025. Ms. Oulman currently serves as a director at Western Digital Corporation (NASDAQ: WDC) and various private companies, and formerly served as a director at CalAmp Corp. (NASDAQ: CAMP), a data intelligence and cloud services software company, from August 2018 to July 2024. Ms. Oulman holds a B.S. in Accounting from Minnesota State University, Mankato and an M.B.A. from the University of the Pacific's Eberhardt School of Business. Other Current Public Company Boards: Western Digital Corporation (NASDAQ: WDC).

Ms. St. Ledger, Former President, Worldwide Field Operations, HashiCorp, Inc. Ms. St. Ledger served as President, Worldwide Field Operations at HashiCorp, Inc. (NASDAQ: HCP) (HashiCorp), a cloud infrastructure automation company, from July 2023 to March 2025, when HashiCorp was acquired by International Business Machines Corporation (NYSE: IBM). She also served as a director at HashiCorp from November 2019 to March 2025. From February 2021 to January 2023, Ms. St. Ledger served as President, Worldwide Field Operations at Okta, Inc. (NASDAQ: OKTA), an access management company. Ms. St. Ledger previously served as President, Worldwide Field Operations at Splunk Inc. (NASDAQ: SPLK) (Splunk), a data analytics company, from October 2017 to January 2021 and was Senior Vice President and Chief Revenue Officer at Splunk from May 2016 to October 2017. From August 2012 to March 2016, Ms. St. Ledger served as Chief Revenue Officer, Marketing Cloud at Salesforce.com, Inc. (NYSE: CRM) (Salesforce), a provider of enterprise cloud computing software. Ms. St. Ledger served as President of Buddy Media, Inc., a social media marketing platform, from March 2012 to August 2012 until its acquisition by Salesforce. Previously, Ms. St. Ledger served in various senior sales management roles at Salesforce and Sun Microsystems, Inc., a provider of network computing infrastructure solutions. Ms. St. Ledger holds a B.S. in Computer Science from the University of Scranton.

Mr. Bialecki is a Co-Founder of Klaviyo and has served as a member of our board of directors since September 2012 and as our Co-Chief Executive Officer since January 2026. Prior to that, Mr. Bialecki served as our Chief Executive Officer from September 2012 to December 2025. Prior to founding Klaviyo, Mr. Bialecki served as Chief Technology Officer of RockTech, a sales and marketing software company, from April 2011 to June 2012, Senior Engineer at Performable, a marketing software company, from July 2010 to March 2011, and Lead Engineer at Applied Predictive Technologies, a business analytics software company, from September 2007 to June 2010. Mr. Bialecki holds a B.A. in Physics, Astronomy and Astrophysics from Harvard University.

On July 11, 2026, the Board of Directors of Klaviyo, Inc. appointed Erica Smith as the Company's Chief Financial Officer and principal financial and accounting officer, effective as of Ms. Smith's commencement of employment with the Company, currently set for September 1, 2026. Prior to joining Klaviyo, Ms. Smith, served as the Chief Financial Officer of CyberArk Software Ltd. (formerly NASDAQ: CYBR) (CyberArk), an identity security company, from January 2025 until February 2026, when CyberArk was acquired by Palo Alto Networks, Inc. (NASDAQ: PANW). Ms. Smith also held various other finance leadership positions at CyberArk from October 2015 to December 2024. Prior to joining CyberArk, Ms. Smith was Vice President of Investor Relations for Demandware Inc. (formerly NYSE: DWRE), an e-commerce software company, from 2011 to 2015. Prior to that, Ms. Smith held various investor relations, corporate communications and finance positions at leading companies including Boston Private Financial Holdings, Inc., a financial services firm, Network Engines Inc., a technology company, StorageNetworks, Inc., a technology company, Sharon Merrill Associates, an investor relations firm, and Lehman Brothers Holdings Inc., a financial services firm. Ms. Smith holds a B.A. in Economics from the College of the Holy Cross.

Mr. Hallen is a Co-Founder and has served as Chief Strategy Officer of Klaviyo since November 2024. Prior to that, Mr. Hallen held various roles within the Company from September 2012 to July 2016, before returning to the Company in July 2021 as our Chief Product Officer. Mr. Hallen is also the co-founder of Team Engine, a text-first human resources and operations platform, which he founded in January 2018 and served as Chief Executive Officer until April 2021. Prior to founding Klaviyo, Mr. Hallen served as Principal at Applied Predictive Technologies, a business analytics software company, from August 2004 to April 2010. Mr. Hallen holds a B.S. in Systems Engineering from the University of Virginia and an M.B.A. from the Massachusetts Institute of Technology's Sloan School of Management.

Mr. Medici, Managing Director, Summit Partners L.P. Mr. Medici is a Managing Director of Summit Partners, L.P., a private equity firm, where he has been employed since 2005. Mr. Medici previously served as a director at Markforged Holding Corporation (Markforged), an additive manufacturing company, from July 2021 to April 2025, when Markforged was acquired by Nano Dimension Ltd., and also served as a director at MarkForged, Inc., prior to it becoming a public company, from March 2019 to July 2021. Mr. Medici also serves or has served as a director of several private companies. Mr. Medici holds a B.S. in Finance and International Business from Georgetown University.