Our Executive Team

Specializing in traveler path-to-purchase data for more than a decade, Sojern is travel’s direct demand engine for thousands of brands—from global enterprises to boutique operators—across the hotel, airline, cruise, transportation, tourism industries and more.

From global enterprise brands to independent hotels, we work with companies around the world in air, hotel, car, cruise, and tourism to drive direct bookings.Sojern is headquartered in San Francisco, with teams based in Berlin, Dubai, Dublin, Hong Kong, Istanbul, London, Mexico City, New York, Omaha, Paris, Singapore, and Sydney.

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Mark Rabe

Chief Executive Officer
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Mark Rabe

Chief Executive Officer

Mark Rabe is the visionary behind Sojern’s journey to become the go to digital marketing solution for the travel industry. With over two decades of senior leadership experience, Mark’s track record of success has translated to Sojern, where the brand has been a five time recipient of Deloitte’s 500 Fastest Growing tech firms. Prior to Sojern, Mark held various leadership positions at Yahoo!, Overture and About Inc. He currently serves as an active board advisor to tech start-ups. Mark holds a Master’s in business administration from Duke University and a Bachelor of Arts degree in psychology and economics from Denison University.
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Kurt Weinsheimer

Chief Solutions officer
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Kurt Weinsheimer

Chief Solutions officer

Kurt Weinsheimer leads the solutions organization at Sojern, which includes product, data science and engineering. A veteran in travel marketing, Kurt has more than 15 years of experience in online travel commerce and media and is the force behind Sojern’s mission to offer digital marketing solutions for the travel industry. Prior to Sojern, Kurt served in executive and leadership positions at Netpulse, Spot Runner Inc., Cendant Travel Distribution Services, WorldRes.com, and Patagonia. He was also founder and GM of the hotel division for Orbitz. Kurt holds a Master’s in business administration, marketing and organizational behavior from Northwestern University and a Bachelor of Arts degree in English and political science from Boston College.
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Noreen Henry

Chief Revenue Officer
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Noreen Henry

Chief Revenue Officer

Noreen Henry oversees the global commercial team, including sales, operations and product, partnerships for Sojern’s Enterprise and SMB business units. With more than 25 years of experience in travel, Noreen drives corporate commercial strategy using the intersection of digital media and online distribution as a guide. Prior to Sojern, she served as CEO of WayBlazer, an artificial intelligence travel technology start up. Before that, Noreen served as chief revenue officer at DHISCO, senior vice president at Travelocity Global, and vice president at Intent Media. She also served on the board of directors with HSMAI and as a vice president with HEDNA. Henry is a graduate from Harvard Business School, Advanced Management Program and earned a BA from the University of North Texas.
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Paul Huie

General Counsel and SVP Corporate Development
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Paul Huie

General Counsel and SVP Corporate Development

Paul Huie oversees Sojern’s legal, data privacy and M&A initiatives to accelerate the company’s global market expansion. With more than 20 years of experience working in the digital and technology industries, Paul has helped multiple companies grow and scale. Prior to Sojern, Paul was the founding general counsel at Criterio and led corporate development activities for the $3.5B technology company. He also held the Vice President and Associate General Counsel positions at Yahoo!. Paul received his Juris Doctorate from Stanford Law School and holds a B.B.A. in finance from Loyola University in Chicago.
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Brent Brummer

Vice President, Business Strategy and Operations
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Brent Brummer

Vice President, Business Strategy and Operations

Brent heads up Sojern’s operations management and is directly responsible for building and growing the Omaha dream. An expert at building high-performing teams and developing talented employees, Brent’s structured, data-driven approach to operations management keeps him at the forefront of an ever-changing industry. An experienced corporate and startup leader specializing in high-growth online media and technology companies, Brent has held various audit and finance roles at Union Pacific and Intuit. Brent holds a Bachelor of Arts degree in business administration and economics from Hastings College.
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Cady Wolf

Vice President, Commercial Strategy
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Cady Wolf

Vice President, Commercial Strategy

Cady Wolf is responsible for driving Sojern’s commercial strategy for the Americas with hotels, attractions, and tourism partners. With over 20 years of experience working with marquee global brands in the travel technology space, she has worked seamlessly across B2C, B2B, and SaaS focused companies. Prior to Sojern, Cady founded A23 Advisors an executive consulting firm. She has also held commercial leadership roles including at Switchfly where she was SVP of Global Sales and at Travelocity where she was VP of Partner Marketing, Americas. She currently serves on serval industry advisory boards and founded Women in Travel Tech and the Sojern Women’s Group.
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Chris Blaine

Vice President, Europe, Middle East and Africa
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Chris Blaine

Vice President, Europe, Middle East and Africa

Chris Blaine is the head of Sojern’s EMEA team, leveraging his sales, marketing and customer care expertise to expand Sojern’s footprint as the provider of digital marketing solutions for the travel industry. Chris brings more than 17 years of global experience in launching new businesses and building high-performing teams. Prior to Sojern, Chris held leadership roles in both sales and marketing at Dell and Intuit, as well as leading the US mobile advertising group for Phunware. Chris holds a Master’s in business administration from The College of William & Mary and a Bachelor of Fine Arts degree in musical theater from Syracuse University.
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Carl Livadas

Vice President, Data Science and Engineering
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Carl Livadas

Vice President, Data Science and Engineering

Carl Livadas leads Sojern’s engineering and data science teams, focusing on developing new products and improving online ad efficiency. A researcher turned entrepreneur, Carl leverages data, algorithms and machine learning to deliver compelling business value and drive company growth. Prior to Sojern, Carl led data science and engineering for Nanigans’ RTB channels and held positions at inPowered and led Kayak’s deals, email and online ads engineering. He has also worked on cyber security research at BBMN Technologies and Intel Research. Carl holds a PhD in computer science, Master’s of Engineering in computer science, Master’s in aero/astro, and Sc.B. in computer science and astro/aero all from the Massachusetts Institute of Technology.
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Ed Stevenson

Vice President and General Manager, Enterprise
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Ed Stevenson

Vice President and General Manager, Enterprise

Ed Stevenson is responsible for leading go-to-market activities for Sojern’s enterprise business. He also successfully launched Sojern’s Inside offerings. With over 15 years of experience spanning the digital advertising ecosystem, Ed comes to Sojern with deep industry expertise. Prior to Sojern, Ed was the Vice President of Sales and Customer Service at Abakus Inc., which was acquired by SAP, and served as the Managing Director, International for Marin Software. He has also held leadership roles at 247 Real Media and WPP’s GroupM.
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Tiffani Ingham

Vice President, People Ops
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Tiffani Ingham

Vice President, People Ops

Tiffani Ingham leads Sojern’s people operations, identifying and cultivating the best and the brightest talent in the technology industry. With over a decade of senior HR experience, Tiffani's honed her craft, and keen insights and strategic approach drive the growth of the Sojern team. Prior to Sojern, Tiffani held HR positions at Zendesk, Nimblefish and Playfirst as well as a recruiter position at Boston Consulting Group. Tiffani holds a Bachelor of Arts degree from the California State University at Monterey Bay as well as a Professional Human Resources certification.
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Tom Cronin

Vice President, Finance
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Tom Cronin

Vice President, Finance

Tom Cronin focuses on building scalable financial processes to enable Sojern’s current and future growth. With more than 20 years of international finance experience, Tom brings deep financial and market expertise to the Sojern team. Prior to joining Sojern, Tom was a 12-year eBay/PayPal veteran in a variety of roles spanning Marketing Finance, FP&A, Controllership, Treasury and Internal Audit and he also spent six years abroad working in Switzerland. Tom is a licenced CPA and holds a Bachelor’s degree in accounting from York College of Pennsylvania.
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Volkan Çağsal

Founder And CEO at Adphorus
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Volkan Çağsal

Founder And CEO at Adphorus

Volkan Çağsal sits at the helm of Adphorus, a Facebook and Instagram Marketing Partner company with a sole focus on travel that was acquired by Sojern in 2017. An entrepreneur from early on, Volkan has also co-founded Turkish social media agency PUBLIK Digital Agency. Prior to Adphorus, he held digital roles at Fox International Channels and MySpace. Based in Istanbul, Volkan holds a Master’s in business administration from Galatasaray University and a BSc degree in computer science from Istanbul University.
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Board

Woody Marshall
TCV

Ellen Keszler
Clear Sky Associates

John Moragne
Trident Capital

Mark Rabe
Sojern