Chief Executive Officer
Lisa Utzschneider is the Chief Executive Officer of Integral Ad Science and a member of the company’s board of directors. IAS is a global technology company that offers data and solutions to establish a safer, more effective advertising ecosystem. Lisa joined IAS as CEO in January 2019, bringing more than 20 years of digital advertising expertise and tech-industry leadership experience to the role.
Prior to joining IAS, Lisa was Chief Revenue Officer at Yahoo where she oversaw the company’s global sales organization and provided solutions for advertisers worldwide. Lisa served as CRO until the acquisition of Yahoo by Verizon in June 2017.
Previously, Lisa was Amazon’s Vice President of Global Advertising Sales, where she developed the company’s global advertising business through product, marketing, sales, and operations strategies, driving consistent revenue growth. Prior to Amazon, Lisa spent 10 years at Microsoft culminating in her role as General Manager of the national sales and service teams where she focused on driving revenue for the company’s top online advertising accounts. She also developed the U.S. advertising go-to-market strategy.
Lisa serves as a board member for the Ad Council, Bates College, Greenwich Academy, and the MMA. Notable honors include: She Runs It “Woman of the Year 2020,” the Adweek 50, Business Insider’s “Most Powerful Women in Mobile Advertising,” New York Business Journal’s “Women of Influence,” and Working Mother’s “50 Most Powerful Moms.” Lisa holds a bachelor’s degree from Bates College and a master’s degree in public administration from New York University. She resides in Connecticut with her husband and two daughters.
Chief Financial Officer
Tania Secor joined IAS as CFO in 2022 bringing 25 years of financial leadership, including 15 years in CFO and strategic finance roles with public and private companies. Most recently, she served as Global CFO of R/GA and Reprise, Interpublic Group’s digital innovation and digital media agencies, respectively. Previously, Secor held CFO and other senior finance positions at high-growth technology, data, and professional services companies including Medidata Solutions, Dataminr, Gerson Lehrman Group, Bloomberg Digital Media, and McGraw-Hill.
Secor also has a background in capital markets, having spent nearly a decade in investment banking at JPMorgan and investing at Weiss, Peck & Greer Private Equity Group. Secor is a highly accomplished finance leader with a proven track record of driving revenue and profitability at scale. Secor holds an MBA from Columbia Business School and a B.A. from Columbia College.
Chief Commercial Officer
Before joining IAS as Chief Commercial Officer, Yannis was Vice President of Emerging Businesses at Twitter, responsible for accelerating growth for MoPub’s mobile monetization platform and the Twitter Developer Platform. Prior to this, Yannis led Global Strategy & Operations for all Twitter revenue lines, driving growth strategy, operational rigor, sales enablement & scalable customer support. Prior to Twitter, Yannis was Vice President of Platform & Exchange at Yahoo, responsible for all programmatic ad revenue across brands, agencies, DSPs and publishers. In previous roles, he launched Flurry’s mobile publisher network, was Senior Product Manager at Microsoft, Vice President of Marketing at Smilebox, and strategy consultant at the Monitor Consulting Group.
Yannis earned an undergraduate degree in Mathematics from Harvard University and an MBA from Stanford Graduate School of Business. He was born and raised in Greece, lives in San Francisco and is a passionate father of three boys.
Chief Product Officer
Tom joined Integral Ad Science in 2020 to lead the company’s global product organization. He brings more than 20 years of experience building innovative digital media and advertising products to the role.
Prior to IAS, Tom was the Senior Vice President and Head of Product at Intersection where he led product, user experience design, engineering, and technical operations. He also founded Impact Digital Media, which provides product and technology consulting services to the world’s top media companies and studios. Throughout his career, Tom has also held several leadership roles at NBCUniversal including Vice President, Emerging Products, and was a founding team member for Hulu. He was the recipient of the Edison Award for the launch of Hulu’s video syndication product, recognized for product and technology excellence, customer impact, and organizational citizenship.
Tom has successfully incubated, launched, and scaled several high-profile consumer media, advertising, and video products that have enabled high-revenue growth. He holds several patents for his innovations in digital media, and earned his Bachelor’s degree in Engineering from NM University.
Chief Operating Officer
Oleg Bershadsky joined Integral Ad Science in 2019 to lead global business operations, monetization, analytics, and sales strategy.
He joins from Verizon Media where he led Americas Business Operations, Sales Insights, and Global Data Solutions functions. Oleg joined Verizon Media via acquisition of Yahoo where he was a Senior Director of Business Operations. Prior to that, Oleg held a number of high impact roles in the Yahoo Finance organization during his 9 years with the company.
Oleg holds a Master’s Degree in International Relations from New York University and a Bachelors in Economics from Stony Brook University.
Chief Technology Officer
Thomas Joseph joined IAS as CTO in 2022 bringing over two decades of tech-industry leadership to the role. Thomas is a hands-on technology leader with a wealth of experience across varied domains including Gaming, Media, Enterprise Productivity, Ads, Mobile, Web and Cloud. Before joining IAS, he served as SVP Engineering at SiriusXM and Pandora, where he was responsible for the full engineering stack and architecture. Prior to SiriusXM and Pandora, Thomas spent several years at Microsoft, spanning a broad spectrum of technologies, starting in gaming and media, and culminating with the launch of Microsoft Office on iOS and Android.
In previous roles, Thomas has overseen many large platform modernization initiatives with a strong focus on user experience, data analytics, and driving scalable end-to-end solutions for monitoring and production health.
Thomas has demonstrated his ability to balance strategy and execution while quickly turning ideation into products. He has successfully delivered new product offerings at scale, while sustaining and evolving existing product suites.
Thomas leads with a bias for action and brings with him a proven background of developing high-performing engineering teams, developing future-ready products at high velocity, and caring— all the while providing his team with clear context on success and failures.
Chief Human Resources Officer
Lisa Nadler joined Integral Ad Science in 2020 who oversees human resources, recruiting, and culture at IAS.
Previously to IAS, Lisa was the CHRO at Shutterstock where she focused on attracting and developing the best talent and building a culture of engagement, agility, and innovation. Prior to Shutterstock, she held both HR and finance leadership positions at Citibank, Gartner, Madison Square Garden, and Sotheby’s. Throughout her career, she has built strategic programs focused on delivering business results, developing differentiated talent strategies, improving performance management, and changing and aligning culture to business strategy.
Lisa holds a Bachelor’s degree in Engineering and Mathematics from Lehigh University.
Senior Vice President, APAC
Managing Director, EMEA
Csaba Szabo joined Integral Ad Science in 2022 as Managing Director, EMEA, leading the company’s presence and growth across Europe.
With more than 15 years of experience, Csaba joined IAS from Shutterstock, where he was VP, EMEA, responsible for revenue growth and managing a regional sales organization. Prior to that, he was Senior Commercial Director, EMEA Resellers and Mid-Market at Yahoo. Previously, Csaba was Pricing Manager at Orange.
Csaba earned his MSC in Economics from Corvinus University of Budapest.
Senior Vice President, Sales, North America
Sarah Martinez is the New York City-based Senior Vice President of North America Sales at Integral Ad Science.
With 15 years as an advertising and media professional, Sarah has led through change with a focus on operational excellence to build best-in-class sales teams, strategic go-to-market plans, and deep client relationships – always putting the customer first. Previous to her current role, she was Vice President, Sales and Strategy at Verizon Media responsible for a national field sales team across Top Fortune 500 marketers.
Over the last decade, Sarah has worked across premium publishers and ad tech at companies such as Yahoo, Time Inc, and WPP. Sarah holds an M.A. in Advertising from The Newhouse School at Syracuse University and resides in New Jersey with her husband and two children.
Managing Director, CEE
Oliver Hülse joined Integral Ad Science as Managing Director for Germany, Austria and Switzerland in April 2017. Oliver is responsible for IAS’ growth in the CEE region.
Hülse has been in the media industry for more than 20 years and prior to Joining IAS, Oliver held the position of Managing Director at Rocket Fuel. He started his career in digital media sales at German media companies such as, Verlagsgruppe Milchstrasse and Tomorrow Internet AG, before being appointed to VP International Operations at Interactive Media CCSP GmbH.
Managing Director, Italy, Spain and Portugal
Elisa Lupo joined Integral Ad Science in 2016 as Director of Italy and was appointed Managing Director of Italy, Spain and Portugal in 2021, to grow IAS’s presence across these important European growth markets.
Elisa has extensive experience in the European digital advertising industry. Prior to joining IAS, Elisa spent over four years at Exponential, joining as Sales Director in London, UK, moving up to Country Manager, Italy. Before Exponential, Elisa spent two years at Vibrant Media as International Sales and Business Development Manager.
Managing Director, Nordics
Björn Lindholm joined Integral Ad Science Stockholm office in 2018 as head of the company’s Nordic operations and to drive business across the region. He has more than a decade of experience in the Nordic digital advertising and technology industry, where he has led business development efforts for media companies in the digital advertising sector. Before working at IAS, Bjorn has held different management positions in companies in the media industry, establishing and building relationships with agencies, media and technology providers in the Nordic countries.
Managing Director, Northern Europe
Country Manager, ANZ
Jessica Miles is the Country Manager for Australia and New Zealand at Integral Ad Science. She is based in Sydney and in her current role, Jessica is leading the IAS business in the region, planning and executing the go-to-market strategy and business objectives for ANZ.
Previous to her current role, she held the position of ANZ Sales Director with IAS, driving the commercial efforts for the region.
Jessica has had extensive experience in adtech at InMobi and Pocketmath and on the publisher side at Fairfax Media. Her experience includes driving revenue growth and working with a range of clients from agencies, advertisers, and publishers.
Jessica holds a Bachelor in Business Administration from Macquarie University and she also studied Negotiation at Harvard Business School.
Country Head, India
Mehul is the India Country Head, VP Engineering & Operations at Integral Ad Science. He has been supercharging IAS’s product innovation and growth mandate in India, driving the adoption of the company’s best-in-class measurement and verification solutions. Mehul leads a team of ad-tech experts to establish strategic relationships with brands and agencies, helping them maximize their investments and media quality for their digital advertising efforts.
He brings more than 20 years of experience in building and leading innovative technology businesses and has robust expertise in Engineering and R&D. Most recently, he was the Chief Operating Officer at Scan-IT, where he led technical and business operations. Previously, Mehul was the Director of Software at Fiserv, overseeing the delivery unit of the company’s Technology Centre of Excellence.
Mehul holds a Bachelor of Engineering degree with honors in Electronics Engineering from Mumbai University.
Country Manager, Japan
Takeshi Yamaguchi serves as Country Manager, Japan at Integral Ad Science. In this role, he is responsible for leading and accelerating the company’s growth in the region. Takeshi and his team work closely with Japanese advertisers, publishers, and platforms.
Takeshi joined IAS in 2015 to help expand its operations in Japan, and he previously served as Sales Director. Prior to joining IAS, he held various roles at top advertising and technology companies, in both the U.S. and Japan, including comScore, HP Japan, and Experian Marketing Services.
Takeshi holds a Bachelors’s degree in Fine Arts in Film and TV from New York University, Tisch School of the Arts.
Managing Director, LATAM
Marcia Byrne is the Latin America Managing Director at Integral Ad Science, spearheading the company’s expansion across the LATAM region.
Marcia joined IAS in April 2021 as Director of Customer Success, becoming LATAM Managing Director seven months later, where she has leveraged her expertise in ad operations to merge and streamline the LATAM Sales and Customer Success into one team.
Throughout her 15 years in the digital advertising industry, Marcia held prominent positions on both the agency and publisher sides and served as the Vice President of Ad Ops LATAM at Teads. Prior to that, she spent eight years at Walt Disney Internet Group and ESPN, and five years at Mediaedge and Zenith Media in Milan, Italy.
Marcia is a native of Brazil and fluently speaks English, Portuguese, Spanish, and Italian. She is currently based in Miami, Florida.