Canto Leadership

Get to know the Canto leadership team that drives DAM innovation

Jack McGannon


Jack McGannon is charged with growing the value of Canto by offering its customers technology solutions that meet their evolving business needs. Jack has over 20 years of experience in the technology world. Previously, he was CEO for the US operations of Ein Sof, a technology services provider. Prior to that, he was CEO at Document Sciences from September 1998 until It was purchased by EMC in 2008. Jack holds a BA from Stanford University and MBA from Carnegie Mellon University.

In his free time, Jack enjoys spending time with family and likes to play and watch sports.

Thomas Schleu


In 1990, Thomas Schleu co-founded Canto. Since that time he has played a pivotal role in the development of Canto’s robust digital asset management products. Thomas oversees the technology at the core of Canto’s product offerings. Prior to his appointment as Chief Technology Officer, he served as Canto’s lead engineer from 1990 until 2008.

He holds a Diploma in Computer Science from the Technical University of Berlin.

When taking a break from software development, Thomas enjoys listening to a variety of music genres: such as Baroque, Alternative Rock and Jazz. He’s very interested in modern art, and enjoys sharing Berlin’s art museums with visitors to the city.

Thomas Mockenhaupt

CSO (Chief Sales Officer)

Thomas Mockenhaupt is responsible for all sales and marketing activities for Canto’s flagship product Cumulus. His deep knowledge of customer requirements and workflows allow him to showcase the value of Canto’s Digital Asset Management solution for companies.

Before joining Canto, he was the Managing Director at Vitras, which was acquired by Canto in 2011.

Kevin Gavin

Chief Marketing Officer

Kevin is an experienced CMO with a consistent track record of success building powerful brands and driving rapid revenue growth for leading companies in emerging categories including 4 companies that had a successful IPO while he was an employee. Kevin’s executive experience includes CMO at Five9, ShoreTel, Talari, Softnet, and Nextel. Gavin is a graduate of the Wharton School of Business at the University of Pennsylvania.

Kevin is a passionate evangelist for leveraging the latest technical advances to enable increased employee productivity and improved team effectiveness.

Andreas Mockenhaupt

Head of Canto Professional Services

Andreas Mockenhaupt ensures Canto provides quality and tailored solutions to our customers. He and his team of consultants, developers and support staff design customized DAM implementations and keep projects on track. He brings over 10 years of expertise in implementing Cumulus installations and perfecting customer use cases while managing complex IT projects.

Before joining Canto, Andreas was Head of Consulting and co-founder of Vitras, acquired by Canto in 2011.

When not managing projects, Andreas enjoys spending time with his family, cooking and a fine glass of wine.

Torsten Buller

Director of Operations

Torsten Buller keeps Canto’s business operations running smoothly to meet both customer and organizational needs.

His focus is on creating the necessary structures, processes and procedures required to run the company and support the Canto workforce in accomplishing the company’s goals and requirements.

Torsten ensures that the technical quality of Canto products remains high by overseeing the development team, quality assurance and Canto’s product support. His responsibilities also include managing human resources.

He holds a degree in Computer Science from the University of Applied Science in Berlin.

Leslie Weller

Director of Marketing

Leslie Weller has a deep respect for the way technology connects people with the things they value most. She joined Canto to help marketers, brand managers, product managers and content managers understand there is a better way to make use of their organizations’ growing volume of digital content.

Prior to joining Canto, Leslie worked as the Marketing Director for two of San Diego’s Best Places to Work™ and held senior marketing positions at EMC Document Sciences.

Leslie earned her Master’s degree in Business Administration from California State University San Marcos, and a bachelor’s degree from Brigham Young University.

A little know fact about Leslie … her first “car” was actually a Honda Nighthawk motorcycle.

Ines Köhler

Director of Marketing, EMEA

Ines Köhler is responsible for all Marcom activities related to Canto’s flagship product Cumulus and Canto Professional Services worldwide. In previous positions, at Schindler Elevators and the IT Knowledge HUB Hasso-Plattner Institute she gained extensive experience in the areas of marketing management, PR and sales strategy.

Ines holds a Master’s Degree in Communication Science and Business Administration – she studied at the Free University in Berlin and the LUISS Guido Carli in Rome.

In her free time, she is a passionate traveler, writer and photographer and enjoys learning new languages.