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Our Leadership Team

Or Offer
Co-Founder & CEO
Or has been the CEO of Similarweb since the company’s founding in 2007. Under his leadership, the company has grown from a small Israeli startup to a global business with over 850 employees, 9 offices, and thousands of paying customers. Or was also a founding partner at AfterDownload (acquired by IronSource), and is an active investor in a number of startups. Or has been selected as one of the top 100 influencers in the Israeli high-tech scene and 40 under 40 most promising young people by TheMarker.

Jason Schwartz
Chief Financial Officer
Jason has a proven record of success in financial and operations management and leadership. Prior to joining Similarweb, Jason served as the CFO at several hi-tech companies, including Clarizen, Actimize (acquired by NICE Systems) and Cyota (acquired by RSA), where he led multiple fundraising rounds, drove rapid growth, and oversaw their acquisitions. Jason served as VP Finance and CFO at Shopping.com through the company’s IPO. Earlier in his career, Jason worked for seven years at PricewaterhouseCoopers LLP. Jason is a Certified Public Accountant and holds a B.S. in accounting from Yeshiva University.

Ron Asher
Chief Technology Officer
Ron Asher has over 20 years of experience in R&D leadership roles in global companies. He most recently served as the VP of Engineering in Bond, where he performed as the R&D Leader, responsible for driving the vision, strategy and implementation for all technical aspects of the company’s products and services. Prior to this, Ron was the VP R&D for Startoscale and SVP Engineering in PrimaryData. Before that, Ron was the VP Engineering of Diligent Technologies that was acquired by IBM. After the acquisition by IBM, Ron acted as the head of the XIV division in IBM System and Technology Development department, scaling the department dramatically and driving substantial revenue growth. Ron holds a BSc in Statistics and Computer Science (graduated with distinction) and has coursework towards MSc in Computer Science from Tel-Aviv University. He is a graduate of the Israeli intelligence corps elite (8200) where he held a leadership role on a strategic project that won the Israeli Defense Prize awarded by the president of Israel.

Benjamin Seror
Chief Product Officer
Benjamin has over 14 years of experience leading product teams. Since joining Similarweb in 2012, Benjamin designed and launched the entire suite of Similarweb solutions including the Similarweb.com free product, Similarweb SaaS Platform, Similarweb API, and most recently, Similarweb Reports. Prior to that, Benjamin led the design and development of several multi-screen ad networks, including a leading platform used by China Mobile (Red Loop Media) and one of the first 3-screen ad networks (Amdocs). Benjamin holds B.S. and M.S. in Applied Mathematics from University Paris IX (Dauphine) and ENSAE (Ecole Nationale de La Statistiques appliquee a l’economie).

Sigal Gillmore
Chief People Officer
Sigal is a leading HR executive with over 20 years’ experience guiding global human resources strategies, practices, and operations. She has helped many organizations translate their business strategy into organizational capabilities, assisting the emergence of inspiring environments in which people can bring their best, grow professionally and drive success. Sigal spent nearly a decade at NICE as Executive VP of HR, and over a decade at Microsoft in a variety of management positions globally including directing the company’s international Talent Acquisition strategy and execution from Redmond, WA. Sigal has gained international recognition for her capacity to lead organizational transformations in global environments. She holds a BS in Psychology and Political Science from Bar Ilan University, and an MSc in Organizational Behavior from Tel Aviv University.

Maoz Lakovski
Chief Business Officer
Maoz is an experienced business strategist, with over a decade of experience in product leadership, general management and business development. Prior to becoming Similarweb’s Chief Business Officer, Maoz held roles as the General Manager of Similarweb’s core digital research and marketing solutions, and as Similarweb’s Head of Strategy. Prior to Similarweb, Maoz served at Twitter in Sales Strategy and Operations. Maoz holds a B.Sc. in Management and Industrial engineering from Tel Aviv University, as well as an MBA from INSEAD.

Lior Degani
Chief Operation Officer
Prior to becoming COO, Lior served as Similarweb’s VP of Business Operations and Head of Customer Journey, where he was responsible for developing the mechanisms for measuring Similarweb’s book of business, and he created and led Similarweb’s revenue forecasting processes and modeling. Lior’s previous startup, the content analytics platform Swayy, was acquired by Similarweb in 2015. Lior holds a BSc in Industrial Engineering, and spent several years mentoring Google Launchpad startups.

Guy Gomberg
Chief Marketing Officer
Guy is an experienced leader with over 10 years in marketing, product and strategy roles. Prior to becoming Similarweb’s Chief Marketing Officer, Guy held the role of SVP Demand Generation, responsible for overseeing and implementing comprehensive marketing strategies to enhance brand visibility, generate leads, and drive overall business growth.
Guy holds a BSc in Computer Science and economics and holds an MBA with specialization in Marketing from Tel-Aviv University. He graduated from the Israeli intelligence corps elite (8200) with the rank of Major and held several leadership positions.

Susan Dunn
Chief Revenue Officer
Susan Dunn leads Similarweb’s sales organization and oversees its revenue strategy. She has a proven track record of driving revenue growth, having previously spent 32 years at NielsenIQ, including three years as CRO. In addition, she has more than 30 years of experience in consumer packaged goods, an important industry for many Similarweb customers. Before NielsenIQ, Susan worked for The Hershey Company and Pillsbury. Susan holds a BBA in Marketing from the University of Iowa and an MBA from Wake Forest University.

Similarweb Board of Directors

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