Quadrangle Group

Quadrangle Group is a private investment firm founded in March 2000 and headquartered in New York, with additional offices in London and Silicon Valley. The firm manages over $6 billion in assets across three primary investment areas: private equity, public equity, and asset management. Quadrangle Group focuses its investment strategies on sectors such as communications, networking, media, and technology, media, and telecommunications (TMT). The firm's extensive experience, industry knowledge, and relationships are integral to its approach to maximizing value. As a registered investment adviser, Quadrangle Group does not provide investment services to the public.

Edward F. Sippel

Managing Principal

7 past transactions

mail.com

Series D in 2008
Mail.com is a web portal and email service provider based in Chesterbrook, Pennsylvania, that was launched in 1995. The company offers a free webmail application featuring unlimited storage and a selection of over 200 unique email domains. In addition to its email services, Mail.com provides users with online file storage, the ability to collect emails from other accounts, and integration with social media platforms. The service is supported by advertising and includes features such as spam and virus protection, as well as access to news articles and videos. Mail.com is designed to cater to a diverse range of user preferences with its customizable user interface.

Tower Vision

Private Equity Round in 2008
Tower Vision is a tower management company that specializes in providing passive infrastructure for the wireless telecommunications industry, enabling multiple operators to share resources. The company offers plug-and-play solutions and engages in the ownership, management, and operation of various types of wireless communication towers, including greenfield towers, rooftops, and in-building distributed antenna systems. Tower Vision focuses on the acquisition, development, maintenance, and asset management of telecommunication towers, allowing wireless service providers to meet their long-term operational needs. Its core services include the development of new wireless sites tailored to specific requirements and the acquisition of existing wireless sites, ensuring efficient and high-quality sharing of telecom infrastructure among operators.

Daleen Holdings

Venture Round in 2004
Daleen Holdings is a diversified service provider with billing, network management, network inventory, revenue assurance.

NewSouth Communications

Private Equity Round in 2003
NewSouth Communications is a broadband internet content provider based in Greenville, South Carolina. Founded in 1997, the company specializes in delivering a range of communications services tailored for business customers. Its offerings include data, internet, and voice products, along with other advanced communications solutions designed to meet the diverse needs of its clientele. Through its comprehensive service portfolio, NewSouth Communications aims to enhance connectivity and support business operations across various sectors.

GoodTimes Entertainment

Acquisition in 2003
Good Times Entertainment was founded in 1984 and is owned and operated by Event Director DJ/MC Host Scott Christopher featuring an award winning elite team of professionals providing specialized event production. Good Times Entertainment is a highly respected music, disc jockey, emcee, sound and decor lighting company providing “A list” music mixing artistry talent, DJ and master of ceremony hosting services, dancers and specialty entertainers for major corporate events, weddings, bar mitzvahs, birthdays, private celebrity celebrations and much more! As seen below, with well over 200 5 star online Yelp, WeddingWire, The Knot, Hollywood Trade Paper, and personal note reviews; we are proud to be the DJs & MCs to the stars in Los Angeles, Beverly Hills and beyond! Count on us to provide music and fun for every occasion big or small. You may reach me personally or our “Party Fun Entertainment Coordinator” Leslie for dedicated special attention to your very important event!

Video Networks

Venture Round in 2000
Video Networks are provides digitized video and related e-commerce applications for the media industry.
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