Question: Who designed the resort that Allard Roen managed prior to La Costa Resort and Spa?

Context articles: 2006 WGC-Accenture Match Play Championship
1997 Toshiba Classic
1991 Mazda Classic
La Costa Film Festival
Southern California Open
San Diego Aviators
Kia Classic
Omni La Costa Resort and Spa
Allard Roen
Desert Inn

The 2006 WGC-Accenture Match Play Championship was a golf tournament that was played from February 22–26, 2006 at La Costa Resort and Spa in Carlsbad, California.
 It was the eighth WGC-Accenture Match Play Championship and the first of four World Golf Championships events held in 2006.
 It was the final time the event would be hosted at La Costa.
The 1997 Toshiba Classic was a tennis tournament played on outdoor hard courts at the La Costa Resort and Spa in San Diego, California in the United States that was part of Tier II of the 1997 WTA Tour.
 The tournament was held from July 28 through August 3, 1997.
The 1991 Mazda Classic was a women's tennis tournament played on outdoor hard courts at the La Costa Resort and Spa in San Diego, California in the United States that was part of Tier III of the 1991 WTA Tour.
 It was the 13th edition of the tournament and was held from July 29 through August 5, 1991.
 Fourth-seeded Jennifer Capriati won the singles title and earned $45,000 first-prize money.
The La Costa Film Festival (LCFF), founded in 2013, is an annual four-day film festival hosted at the Omni La Costa Resort and Spa in Carlsbad, California.
 The film festival showcases an array of full-feature and short films, galas, and annually honors renowned actors with the Legacy Award who have significantly contributed to film, arts, and the community.
 Previous Legacy Award recipients include Andy Garcia (2013), and Ed Harris (2014).
The Southern California Open is a WTA 125K Series affiliated professional women's tennis tournament held at the La Costa Resort and Spa in Carlsbad, California.
The San Diego Aviators are a World TeamTennis (WTT) team that plays at the Omni La Costa Resort and Spa in Carlsbad, California in the United States of America.
 The team is the successor to two WTT franchises.
 The first was created in 1995, as the New York OTBzz, later renamed the Schenectady County Electrics and then the New York Buzz.
 The second was created in 2000, as the New York Hamptons, later renamed the New York Sportimes.
 The Aviators, founded in 1995, are the oldest continuously operating franchise in WTT.
 The team has won the King Trophy as WTT champions three times: once playing as the New York Sportimes in 2005, once as the New York Buzz in 2008, and once as the San Diego Aviators in 2016.
 As of 2016, the three championships is the second most of any active WTT franchise behind the Washington Kastles, who have won six.
The Kia Classic is a women's professional golf tournament in southern California on the LPGA Tour.
 It debuted in 2010 at the La Costa Resort and Spa in Carlsbad, then moved north for a year in 2011 to the Industry Hills Golf Club at Pacific Palms in the City of Industry in Los Angeles County.
 The tournament returned to La Costa in 2012 and moved to Aviara Golf Club, also in Carlsbad, for 2013.
Omni La Costa Resort and Spa is a luxury destination hotel located in Carlsbad, California, and is owned by Omni Hotels & Resorts, based out of Dallas, Texas.
 The resort is known for its golf courses and its location in the San Diego area hills.
 Every year around late July-early August, the resort hosts an international WTA Tour affiliated women's professional tennis tournament, the Southern California Open.
 Omni La Costa Resort and Spa is a member of Historic Hotels of America, the official program of the National Trust for Historic Preservation, and is also home to the annual La Costa Film Festival.
Allard Roen (May 8, 1921–August 28, 2008) was an American businessman in the hospitality industry.
 He was the Managing Director of the Desert Inn and the Stardust Resort and Casino in Paradise, Nevada.
 He was a co-founder of the Sunrise Hospital, The Boulevard Mall and the Las Vegas Country Club.
 Later, he was a co-founder and the on-site Manager of the La Costa Resort and Spa in Carlsbad, California.
The Desert Inn, also known as the D.I., was a casino hotel on the Las Vegas Strip in Paradise, Nevada, which operated from April 24, 1950, to August 28, 2000.
 Designed by architect Hugh Taylor and interior design by Jac Lessman, it was the fifth resort to open on the Strip.
 It was situated between Desert Inn Road and Sands Avenue.