Lisa Weinstein

Chief Executive Officer

A seasoned technology and marketing executive with deep industry knowledge, Lisa leads Signal’s operations and growth in the burgeoning identity resolution market. Ahead of joining Signal, she served as CEO of digital media company, preceded by her tenure as CEO of Engine Media, the global media services operating unit of the Engine Group. Lisa has also served as President of Global Digital, Data & Analytics at Starcom MediaVest Group, where she pioneered the use of both first-party and third-party data-driven marketing for some of the world’s biggest brands, and for more than a decade held US and global executive leadership roles within GroupM and Mindshare. Her industry accolades include the American Advertising Federation (AAF) Hall of Achievement, Advertising Age and Crain’s Chicago Business 40 Under 40, Advertising Age Media Maven, Advertising Women of New York’s Women Changing the Game, iMedia 25 Innovators, Adweek Media All-Star and Broadcasting & Cable Next Wave of Leaders. Lisa has additionally served on Google’s Global Media Council, Twitter’s Client Council, Forbes’ Executive Women’s Board, the AAF Board of Directors and the IAB Agency Advisory Board, among others.

Matt Hrushka

Chief Technology Officer

Matt brings over 20 years of technical and leadership experience to Signal. He is an international award-winning technologist, author, and entrepreneur. He has a strong background in building and operating technology teams in the US, UK, and Asia with a focus on ad tech, consumer intelligence, and enterprise systems. During his diverse career, Matt has worked in development, senior leadership, and in advisory positions in startups and venture capital firms.

Sierra Hinson

Chief Financial Officer

Sierra is CFO at Signal, overseeing the HR, Finance and Legal departments which she leads with a passion for using data to drive business decisions. Sierra brings more than a decade of experience leading operations for early stage and private companies and is intimately familiar with all stages of company growth. Prior to Signal, she served as COO and Head of Finance at and VP of Operations at Pear, a Division of CustomInk, where she was key member of the leadership teams. As SVP of Finance at Sittercity, she played a critical role in all of the $20+ million company’s fundraising and M&A activities. Sierra holds a B.S. in Accounting from the University of Illinois and is a Certified Management Accountant.

Kelly Davis

Senior Vice President, Customer Operations & Delivery

Kelly oversees all aspects of technical account management, solution consulting, implementation and customer success, shaping Signal’s culture and reputation for world-class client support. Kelly brings over 15 years of expertise in digital marketing. She was a co-founder and first employee at Centro, serving as the company’s Vice President, Client Services and Operations, and later as its Vice President, Product Management. Over a five-year period, she played a foundational role in successfully leading and growing the business from the ground up to nearly $100 million in annualized revenue, with 125 employees across 11 offices. She received an M.B.A. from Kellogg School of Management, Northwestern University, and a B.S. in Marketing from Indiana University.

Jessica Graeser

Director of Marketing

Jessica brings over 15 years of experience in digital media, advertising and communications to her role leading the marketing efforts at Signal where she approaches rapid change with a blend of creative problem solving and analytically-driven decision making. In her previous role as Performance Marketing Director at Signal, she built a robust demand generation engine, executing digital marketing campaigns and content-driven SEO to establish Signal as a leader in the identity resolution space. Prior to Signal, Jessica held marketing positions at multiple tech startups as well as roles in marketing at Google and YouTube. She is currently active as a mentor for SheRunsIt, a nonprofit paving the way for more women to lead at every level of marketing, media and tech. Jessica received a B.A. in Art History and Communication Studies from Macalester College.

Michael Hand

Managing Director, EMEA

Michael is Managing Director EMEA, responsible for Signal’s business based in London. Having lead Spongecell’s European growth and a key part of the leadership team, his flair for building multi-disciplinary teams was instrumental in pivoting the business to a successful Enterprise SaaS model, which culminated in an acquisition by Flashtalking in early 2018. His experience spans technology, media, advertising and creative, honed during his career that has evolved from “paper” to “pixels.” He has held management positions at Hearst, News Corp Digital and Associated Newspapers. Michael has a relentless passion for partnerships that add critical business value and help drive better business outcomes. He holds a Bachelor of Arts degree in Media and Sport from Leeds Trinity University.

Blane Sims


Now serving as an advisor, Blane previously led the strategy and roadmap for Signal’s award-winning technology platform. Prior to Signal, Blane led the Private Label and affiliate marketing product teams at Orbitz. Blane helped shape the early years of dynamic web content delivery as a product manager at Vignette. He also has spent time working with early-stage companies in the enterprise search and IT systems management spaces. Blane is a frequent speaker on the topics of behavioral data collection, cookie controls and best practices with regard to the intersection of online privacy and technology.

Michelle Tangorra

Director, Client Delivery

Michelle has over 10 years’ experience working in ad tech and digital media and is leading the Client Delivery team at Signal, overseeing a team of technical subject matter experts who manage the entire lifecycle of client delivery. She began her career in Media Planning at Mindshare, then joined Carat. Later, Michelle became the Vice President of Customer Success at Sizmek, overseeing all U.S. Ad Serving business including over 200 accounts with over $100 million yearly revenue. Michelle is passionate about refining process and solving problems with a client- first approach. Michelle holds a B.S in Advertising from the University of Illinois.

Corina Wixon

Director of Operations

Corina brings a disciplined commitment to excellence to her role overseeing operations, building processes that fit Signal’s current needs while anticipating future growth. With a diverse background in multiple industries at high-growth enterprise SaaS companies, Corina understands that accountability, credibility, and authenticity are the fundamental pillars of success in a rapidly changing environment. Her management experience in strategy, finance, analytics, and sales operations lends itself to creative and adaptive problem-solving by leveraging a varied skillset. Corina received a bachelor’s degree in Economics and Entrepreneurship from Wake Forest University.