AdVantage Networks announced Brendon Kensel as president.
Arnold Worldwide announced that David Fisher joined the New York office as director of integrated production, and Lia Armatas joined the New York office as director of creative services.
BlisMedia announced the appointment of Paul Thompson as U.K. managing director.
Celtra announced a $4 million strategic investment led by investor SoftBank Capital. Ron Fisher, managing partner at SoftBank Capital, will join Celtra's board of directors.
ChaCha announced that it secured $14 million in funding in a round led by investors VantagePoint Capital Partners, Rho Ventures, and Qualcomm.
Engine Digital announced its expansion into the U.S. with the opening of a New York City office and the addition of Michael Aaron, VP client strategy, to its leadership team.
Extole announced it closed an additional $7.6 million in funding.
eZanga.com was selected as a 2013 Future 50 company by Philadelphia SmartCEO for the third year in a row.
IBM announced new software and cloud-based services to help business leaders, such as chief marketing officers and chief human resource officers, advance their organization's transformation with the adoption of social business technology.
Knight Foundation announced that eight mobile ventures won $2.4 million in funding via the Knight News Challenge.
MediaCom consolidated its operation in Colombia through the acquisition of Massive.
Plink announced Greg Fox as VP of sales and business development.
Quantasy announced the addition of the Grammy Award-winning producer, Ron Gillyard, as chief growth officer.
Revelation named Todd McLean its new CEO.
Silverpop announced new growth, including 380 new clients in 2012, with over 100 in Q4 alone.
Tealium announced the launch of Tealium DataCloud.
The Mobile Marketing Association (MMA) and the Interactive Advertising Bureau (IAB) released "Mobile Phone Creative Guidelines" for public comment, simplifying the development of ad units across the industry.
TruEffect hired Senthil Kumar and Mark Nelson as the company's two newest senior software engineers.
Vision Critical announced the acquisition of DiscoverText, a cloud-based text analytics solution.
Walker Sands announced the recent appointment of Tory Patrick as an account director in its Chicago headquarters.
Xaxis announced the launch of Xaxis Radio.
YANGAROO expanded its advertising team, appointing Lee Salas as VP of sales, West, and promoting Todd Barkes to VP of advertising operations.
Editor's note: We list the companies and people alphabetically. Our bimonthly column is always looking for announcements, so please email them to firstname.lastname@example.org.
"Multimedia distribution as a global business art" image via Shutterstock.