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Our People

Bookt’s Executive Team

Bookt's leadership team is a diverse group of professionals with business management, platform development, website technology and travel industry experience. Through individual successes in related markets, our collective experience brings immense opportunity to this dynamic industry. Together, our entrepreneurial spirit drives us to develop innovative solutions to ensure Your Online Success.

Robert Käll - President

Robert Käll
President

Rob Käll, President of Bookt LLC, is a technopreneur at heart. He founded Bookt in 2007 to fill a large void in the global vacation rental industry, drawing upon his 12+ years of experience in developing and implementing some of the most sophisticated (and visited) real estate and property websites in the world.

In his past life, Rob has architected and led the implementation of Remax.com - # 2 Real Estate Site in US (was #10 at project start), architected and led the implementation of LeadStreet, a CRM and Lead management system used by over 70,000 RE/MAX agents – Has delivered over 5M leads to RE agents in less than 2.5 years, and architected the First National MLS Search Enabled Brokerage web portal for Help-U-Sell.

He is a master of emerging web technologies, especially as they are applied to the travel industry, as well as behavioral targeting and engagement, deciphering marketing trends into successful online travel solutions.

Rob also has a successful track record as an entrepreneur. In 2001 he co-founded RECHANNEL, a real estate technology company, where he laid the groundwork for the REMS platform used by 5 of the largest real estate companies in the world (RE/MAX, Century 21, Coldwell Banker, ERA & Sotheby’s International Real Estate). In 2004 RECHANNEL was sold to eNeighborhoods where Rob was VP of Web Development until 2007.

Rob has Bachelors degree in Computer Science from University of Boras, Sweden.

He enjoys Travel, Skiing, Music and Boating and resides with his wife and daughter on Miami Beach. Contact him at rob [at] bookt.com

Ben Strum - VP of Technology

Ben Strum
VP of Technology

As VP of Technology, Ben possesses the experience and skill set to lead our tech team in implementing travel solutions for our customers. He has 15+ years experience as a technology leader and has developed large scale websites and embedded systems for Fortune 500 companies like Xerox, Lockheed Martin, Department of Defense and the Port Authority NY/NJ.

In 2005 Ben founded ThinkTron Corporation, a hosting and software solutions company based in Miami.

Ben has a Bachelors of Computer Engineering from University of Miami and a Master of Science from Columbia University where he also did cutting edge research related to the travel industry's pricing methodology.

Ben is the proud recent father of a little girl and lives in Miami with his wife Sara. He enjoys golf, sports, travel and of course computers.

Joel Fellman - Director of Vacation Rental Solutions

Joel Fellman
VP of Sales and Marketing

Joel is a seasoned sales & marketing executive and gives voice to Bookt’s role as a staunch and determined ‘champion’ of the Vacation Rental Industry.

As our online marketing expert, Joel works 1-on-1 with clients in a very consultative way and helps match Bookt’s advanced platform capabilities with a client’s specific needs so they may solve their problems, gain a sustainable competitive edge and grow their business.

As Rob’s business partner at RECHANNEL, Joel was responsible for lead capture and conversion to revenue and worked with hundreds of real estate brokers & agents – helping drive their online success. Joel has 25 years experience in pharmaceuticals, biotechnology, information technology and internet marketing leadership.

Joel - Age 9 at a Cape Cod Vacation RentalJoel studied Hospitality at the University of New Hampshire, earning a BS from the Whittemore School of Business and Economics, a Hotel Administration Major with a Minor in English.

One of Joel's best childhood memories is two weeks down the Cape in South Yarmouth with his family in an ocean front Vacation Rental. Pictured, Joel in black trunks, age 9.

Daisy Herrera-Käll - VP of Marketing/Sales

Daisy Herrera-Käll
VP of International Sales

Daisy’s background is a perfect fit for a global travel industry company. Fluent in four languages and seasoned in business, she has held positions in both sales and marketing.

As Sr. Account Executive with ACAMS, she sold very sophisticated certification programs to both domestic as well as international clients. She has worked as an Account Executive in the staffing industry, cruise line and the music industry.

Daisy also has extensive entrepreneurial experience. In 2000 she was the first employee of Vista Language Services, where she was quickly promoted to Director of Sales and Operations. In that capacity she brought in such profitable accounts as Bank of America, Coca Cola and the Discovery Channel.

Daisy holds a Bachelors Degree in Liberal Arts with a Minor in International Studies from Florida International University. Daisy lives on Miami Beach with her husband and daughter. She is an avid traveler who enjoys music, photography and art.

Sam Marks - Director of Success

Sam Marks
Director of Success

As success manager, Sam’s firm hand guides our Clients through new site development into long term online success.

As his title suggests, he is our client’s success champion; educating on marketing and optimization strategies that help our Clients achieve their online goals on an individual basis.

Throughout his young career, he has played an instrumental role in building brands for Fortune 500 companies (PepsiCo) and various development stage companies. Proficient in Project Management, Internet Marketing, and SEO, his entrepreneurial spirit has led him to notable successes in various past endeavors.

After selling his company www.TheGreekfaces.com in 2006, he became the Marketing Director of www.College.com. Sam also has an extensive understanding of global markets, social networks and portals, and travel/tourism.

Sam holds a BA in Marketing from Florida State University.

Roy Vella - Art Director

Roy Vella
Art Director

As Art Director, Roy oversees creative design deliverables and quality assurance. His detailed touch and award winning talent provide the outstanding aesthetics for our consumer friendly sites and applications.

Roy’s past industry experience includes creating designs for hundreds of web sites, including RE/MAX, Case Logic, Casual Male, Conair and Hamilton Beach.

As an experienced web developer and strong proponent of Web Standards, Roy understands the importance of a consumer friendly website, ease of navigation, and design attributes that strike an emotional cord.

He is a graduate of the Art Institute of Pittsburg and has an AA in Fine Arts from Broward Community College.

Roy’s passion for outdoor recreation gives him a deeper capacity to apply environmentally specific elements to his designs that capture any geographical area.

Bookt Knows The World!

As a favorite hobby of the Bookt team, Traveling has given us a greater understanding of global geography, markets, and economies. Browse our Gallery; we bet we have stayed at a hotel or vacation rental near you!

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