In The News
WASHINGTON BUSINESS JOURNAL- September 16, 2017
Meet all the companies new to our largest private companies List in 2016
WASHINGTON BUSINESS JOURNAL- July 13, 2017
Mark Ein is raising money for another ‘blank check’ company
LAW 360- July 5, 2017
Mark Ein’s 4th Blank Check Co. Primes $350M IPO
WASHINGTON BUSINESS JOURNAL- March 20, 2017
Mark Ein’s ‘blank check’ company set to merge with Cision
SACRAMENTO BEE – March 13, 2017
Game, set, match: Billie Jean King sells World TeamTennis
WASHINGTON POST – October 26, 2016
How do you ‘rebrand’ D.C. when the public thinks it’s ‘corrupt’ and ‘arrogant’?
BUSINESS WIRE- February 9, 2016
AgroFresh Announces Two Changes to Board of Directors
WASHINGTON BUSINESS JOURNAL – October 14, 2015
Mark Ein raises $300M with newest IPO (Video)
TENNIS MAGAZINE- August 2015
WITH FIFTH STRAIGHT TITLE, WTT’S KASTLES CRYSTALIZE A NEW SPORTS DYNASTY
WASHINGTON BUSINESS JOURNAL- July 22, 2015
The 3 things Mark Ein looks for when he invests big — really big (Video)
WASHINGTON BUSINESS JOURNAL – Dec 31, 2015
A Mark Ein company and National Geographic just bought an $18M boat
The Washingtonian – September 12, 2012
WASHINGTON KASTLES OWNER MARK EIN ON HIS TEAM’S TWO-YEAR WINNING STREAK
New York Times – July 25, 2012
HOW THE KASTLES RULE WORLD TEAM TENNIS
Forbes – July 18, 2012
MARK EIN AND THE WASHINGTON KASTLES LEAD WORLD TEAM TENNIS TO NEW HEIGHTS
The Strategic Guy – July 16, 2012
MARK EIN’S 10 “Cs” FOR ORGANIZATIONAL EXCELLENCE
The Washington Post – July 15, 2012
CREATING A BUZZ WITH WINNING AND BOLD-FACED NAMES
Local Kicks – July 4, 2012
ON THE COURTS WITH THE WASHINGTON KASTLE’S MARK EIN
Washington Business Journal – June 13, 2012
KASTLE’S MARK EIN MAKES BID FOR TENNIS
Comcast Sports Net – February 12, 2012
KASTLE’S MARK EIN ON HIS INDUCTION INTO MID-ATLANTIC TENNIS HALL OF FAME
DC Urban Sports – October 13, 2011
WASHINGTON KASTLES OWNER TO RECEIVE AWARD BY DC CHAMBER OF COMMERCE
The Washington Post – June 14, 2011
BILLIE JEAN KING HELPS KASTLES INAUGURATE NEW HOME
The Wall Street Journal – March 24, 2011
PE INVESTOR MARK EIN NETS EXTRA CASH WITH TENNIS GIG
ABC News – August 10, 2009
MARK EIN BRINGS HIS CAN DO SPIRIT TO THE TENNIS COURT
USA Today – August 10th, 2009
EIN BRINGS HIS CAN-DO ATTITUDE (and SERENA) TO PRO TENNIS TEAM
Washington Post – February 14th, 2008
D.C. IS HOME TO NEW KASTLE – KASTLES TO BEGIN WTT PLAY IN JULY
Washington Business Journal – February 14th, 2008
D.C ENTREPRENEUR MARK EIN SERVES UP PRO TENNIS TEAM
USA Today – February 14th, 2008
WORLD TEAMTENNIS HITS THE NATIONS CAPITAL
Potomac Executive Biz – February 1st, 2007
MARK EIN BUYS KASTLE, EXCLUSIVE INTERVIEW
BisNow – January 30th, 2007
DC ASSERTS PLACE IN TECH SCENE
Washington Post – January 29,2007
NEW KASTLE OWNER TO KEEP GROWTH MIND-SET
Washington Post – January 18, 2007
VENTURE FIRM BUYS OFFICE SECURITY SPECIALIST
Security Systems News – January 18, 2007
KASTLE SOLD TO INVESTOR MARK EIN
Washington Business Journal – January 17th, 2007
D.C.-BASED VENTURE CAPITALIST BUYS KASTLE SYSTEMS
Washington Business Journal – August 28, 2006
JUNK YARD DOG FETCHES $16M IN STADIUM AREA SALE