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Our Management Team

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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.

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Jason Schwartz

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.

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Ron Asher

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.

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Carrie Lazorchak

Carrie Lazorchak
Chief Revenue Officer
Carrie is a seasoned executive and a well known business leader with over 25 years’ experience in building and managing Go To Market organizations. She has held multiple sales leadership roles and has most recently served as the SVP of Worldwide Sales for Nuance Communications, a company focusing on conversational AI powered customer engagement solutions, where she has spent nearly two decades. Prior to that Carrie held sales leadership roles at LifeMinders, and Inacom Information System and Data Processing Solutions. Carrie is also a mentor in the Global Good Fund, a non-profit organization which provides leadership development solutions for social entrepreneurs helping them become impactful global leaders. Carrie holds a BS in PR & Communications from the Perdue School of Business and an MS ITS from Johns Hopkins.

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Benjamin Seror

Benjamin Seror
Chief Product Officer and Chief Marketing 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). 

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Sigal Gillmore

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. 

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Maoz Lakovski

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.

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Lior Degani

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.

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Uri Perelman

Uri Perelman
Chief M&A and Corporate Development Officer
Uri joins SimilarWeb with more than 15 years of experience in global corporate development, M&A, partnerships and strategic investments. Prior to SimilarWeb, Uri served as the Head of M&A, Partners and Corporate Development of NICE where he led the company’s inorganic strategy, execution and post merger integration efforts. Uri has led dozens of acquisitions, partnerships and other non-organic activities across the globe which led to a significant expansion of NICE’s offering and business. Prior to NICE, Uri was part of the corporate development team at Orange where he led the global commercial department and partnerships worldwide and prior to the with Everest Funds, a global hedge fund specializing in activist investing and turnaround situations. Uri holds an MBA and a BA from Tel Aviv University and is a graduate of Berkeley Haas Executive Management program.

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