Question: Who founded Maverick Aviation Group headquartered in Las Vegas, Nevada?

Context paragraphs:
Las Vegas–Paradise, NV MSA: The Las Vegas–Paradise, NV MSA, also known as the Las Vegas–Henderson–Paradise, NV Metropolitan Statistical Area (2013), is in the southern part of the U.S. state of Nevada, coextensive since 2003 with Clark County, Nevada.  A central part of the metropolitan area is the Las Vegas Valley, a 600 sqmi basin that includes the metropolitan area's largest city, Las Vegas as well as the other primary city, Paradise, Nevada.  The area contains the largest concentration of people in the state.  Cities in the metropolitan area include Las Vegas, Henderson, North Las Vegas, and Boulder City.  The metropolitan area is one of the top tourist destinations in the world, drawing over 40 million international and domestic visitors in 2013 with a GMP of US$103.3 billion.

Air Vegas: Air Vegas (IATA: 6V, ICAO: VGA, Call sign: Air Vegas) was an airline with its headquarters on the grounds of the North Las Vegas Air Terminal in North Las Vegas, Nevada.  It operated daily sightseeing flights from Las Vegas to the Grand Canyon.  Prior to moving to the North Las Vegas Airport its main bases were McCarran International Airport (LAS), Las Vegas and Henderson Executive Airport (HND), Las Vegas.

Sports in the Las Vegas metropolitan area: The Las Vegas metropolitan area is home to many sports, most of which take place in the unincorporated communities around Las Vegas rather than in the city itself.  The Las Vegas Valley has one major league professional team: the Vegas Golden Knights of the National Hockey League (NHL) who began play in 2017 as the region's first major pro team.  The Oakland Raiders of the National Football League (NFL) will begin play in Las Vegas as the "Las Vegas Raiders" by 2020 and become the region's second major professional team.  Las Vegas is also home to one minor league sports team: the Las Vegas 51s of the Triple-A Pacific Coast League (Minor League Baseball).  The 51s are currently the only team to actually play in the city of Las Vegas, playing at the city owned Cashman Field.  They will be joined in 2018 by the Las Vegas Lights FC of the United Soccer League, one of two leagues that collectively make up the second level of the U.S. men's soccer league system.

Las Vegas Weekly: Las Vegas Weekly is a free alternative weekly newspaper based in Henderson, Nevada, covering Las Vegas arts, entertainment, culture and news.  "Las Vegas Weekly" is published by Greenspun Media Group.  The paper was founded in 1992 by James P. Reza, Greg Ryan and Robert Ringle as a free monthly publication called "Scope Magazine" covering Southern Nevada's culture, arts, music and lifestyle from a decidedly Generation X perspective .  "Scope" published its first issue in April 1992.  In 1996, Reza partnered with Daniel Greenspun, forming a new company (Radiant City Publications LLC) to publish "Scope".  During this partnership, Reza continued on as Managing Editor, broadening the coverage to a more traditional alternative newsweekly style, and accelerated the publishing schedule to biweekly.  In 1998, Reza sold his remaining interest in "Scope" to The Greenspun Corporation, who retooled it and renamed it "Las Vegas Weekly".  As of December 2009, "Las Vegas Weekly" had a circulation of 65,000.

Milestone Aviation Group: Milestone Aviation Group is the first global aircraft operating lease company focused exclusively on the helicopter market.  Milestone's global aircraft leasing platform addresses the liquidity needs of a transforming marketplace through 100% operating lease financing.  Headquartered in Dublin, Ireland, Milestone has additional operations in Colts Neck, New Jersey and Columbus, Ohio in the United States.  In June 2015, GE Capital Aviation Services acquired Milestone Aviation Group.  All Helicopters leased will be under the GECAS name.

Las Vegas Valley: The Las Vegas Valley is a major metropolitan area located in the southern part of the U.S. state of Nevada.  The largest urban agglomeration in the state, it is the heart of the Las Vegas–Paradise-Henderson, NV MSA.  The Valley is largely defined by the Las Vegas Valley landform, a 600 sqmi basin area surrounded by mountains to the north, south, east and west of the metropolitan area.  The Valley is home to the three largest incorporated cities in Nevada: Las Vegas, Henderson and North Las Vegas.  Five unincorporated towns governed by the Clark County government are part of the Las Vegas Township and constitute the largest community in the state of Nevada.

Maverick Aviation Group: Maverick Aviation Group is an aviation tour company founded by husband and wife Greg and Brenda Rochna in December 1995 in Las Vegas, Nevada.  Maverick Aviation Group is the parent company of Maverick Helicopters, Maverick Airlines, Mustang Helicopters and Maverick Helicopters Maui.

Las Vegas Uncork'd: Las Vegas Uncork'd (also referred to as Vegas Uncork'd and Vegas Uncorked) is an annual culinary and wine event in Las Vegas, Nevada.  The concept was developed by the Las Vegas Convention and Visitors Authority, their advertising agency R&R Partners and Las Vegas resort partners who originally considered a number of magazine partners such as Bon Appetit, Food & Wine and Gourmet.  Bon Appetit was selected as the magazine partner after a review with each magazine.  The event was launched in 2007 by the Las Vegas Convention and Visitors Authority, "Bon Appétit" magazine led by Editor-in-Chief Barbara Fairchild and co-creator and Executive Director Rob O'Keefe who led the first five years of development of what Eater.com called "the world's most innovative culinary event".  Las Vegas resort partners over the years include Bellagio, Caesars Palace and Wynn Las Vegas, MGM Grand, Mandalay Bay, The Venetian, Las Vegas and The Palazzo and each year the event features more than 80 celebrated chefs and over 25 events occurring over a spectacular four-day weekend.

KIOF-LP: KIOF-LP (97.9 FM) is a radio station licensed to serve Las Vegas, Nevada.  The station, founded by Gregory LaPorta (current President and CEO) was established in 2010, is owned by Las Vegas Public Radio Inc. and affiliated with Associated Press (AP), T-Mobile, the Las Vegas Tribune (a division of Tribune Media Group), Syndication Networks and VOA News.  Portsonic Communications, LLC is a local community radio investor and management company for Las Vegas Public Radio Inc.  KIOF-LP is governed under the Local Community Radio Act of 2010 as a new public radio station to the Las Vegas, Nevada valley.

Las Vegas: Las Vegas ( , Spanish for "The Meadows"), officially the City of Las Vegas and often known simply as Vegas, is the 28th-most populated city in the United States, the most populated city in the state of Nevada, and the county seat of Clark County.  The city anchors the Las Vegas Valley metropolitan area and is the largest city within the greater Mojave Desert.  Las Vegas is an internationally renowned major resort city, known primarily for its gambling, shopping, fine dining, entertainment, and nightlife.  The Las Vegas Valley as a whole serves as the leading financial, commercial, and cultural center for Nevada.

Supporting paragraphs: Maverick Aviation Group Las Vegas Valley
Answer: Greg and Brenda Rochna