Question: Who was the founder of the British rock festival that featured "massive technological surveillance by police" in 2015?

Context paragraphs:
Arrow Rock Festival: Arrow Rock Festival is a rock festival that takes place on a yearly basis since 2003 in the Netherlands.  This festival presents mostly classic rock bands.  The original location for the festival was Lichtenvoorde; until 2007 when the venue changed to Biddinghuizen.  2008 saw another location change, this time to Goffertpark, Nijmegen .  In 2009 the festival was cancelled, because of difficulties with the line-up.  In 2010 the festival was cancelled because Aerosmith organised their own event in Goffertpark.

Moonwalk One: Moonwalk One is a feature-length documentary film about the flight of Apollo 11, which landed the first humans on the moon.  Besides portraying the massive technological achievement of that event, the film places it in some historical context, and tries to capture the mood and feel of the people on Earth at the time when man first walked on another world.

Sky River Rock Festival: The Sky River Rock Festival and Lighter Than Air Fair was a historic rock festival held on a raspberry farm on the Skykomish River outside Sultan, Washington.  It was first held between August 31 to September 2, 1968.  It was the first multi-day outdoor hippie rock festival at an undeveloped site.  The line-up included bands such as the Grateful Dead and Santana.  The festival was held the next year on August 30 and September 1, 1969 in Tenino, Washington, and finally on August 28 until September 8, 1970 in Washougal, Washington.

Celebration (Uriah Heep album): Celebration is the 22nd album by the British rock band Uriah Heep.  It features re-recorded classic songs from the band, as well as two tracks written specifically for this release.  A double Deluxe Special Edition on digipak format features an extra live DVD recorded at the Sweden Rock Festival.  A Collector's Edition features a 2-song (vinyl) single in addition to the regular Celebration CD (the songs on the single were also recorded at the Sweden Rock Festival, and were not included on the DVD).

Rising Sun Rock Festival: Rising Sun Rock Festival is an annual rock festival held in Ishikari, Hokkaido, Japan.  The two-day event is organized by WESS.  The festival sells itself as "A True Rock Festival", referring to the fact that only Japanese artists perform at this event.  This has led to speculation that this is an attack on rock festivals such as the Fuji Rock Festival, the Summer Sonic Festival, and even to some extent the Nano-Mugen Festival whose line-ups include foreign artists (and in the case of Fuji Rock Festival, has their line-up dominated by non-Japanese artists).

Jisan Valley Rock Festival: Valley Rock Festival (also known as VRF and Ansan Valley Rock Festival) is held annually on the last weekend of July.  Sharing many artists, the festival is arranged by 9 Ent, which is Smash Corporation, and in close coordination with Japanese Fuji Rock Festival.  In 2009 on the festival’s maiden year, there were some controversies regarding the festival's split from neighboring Pentaport Rock Festival.  However the festival’s sponsor changed to Mnet media in 2010 and CJ E&M in 2011.  VRF has been successful and has grown into one of the South Korea’s biggest music festivals.

Download Festival: Download Festival is a British rock festival, held annually at Donington Park in Leicestershire, England, since 2003.  It is the most popular British summer rock and heavy metal festival and has hosted some of the genres' biggest names, including Saxon, Black Sabbath, Slipknot, Metallica, Iron Maiden, Motörhead, Aerosmith, AC/DC, Def Leppard, Kiss, Judas Priest, Status Quo, Mötley Crüe, Journey, ZZ Top, Whitesnake, Thin Lizzy, and Guns N' Roses.  The 2015 festival featured massive technological surveillance by police in conjunction with festival organizers Live Nation UK.  RFID wristbands and facial recognition technology was used to compare visual scans of attendees against a European criminal database.

Rock in Japan Festival: The Rock in Japan Festival is an annual three-day rock festival held during early August at the Hitachi Seaside Park, in Hitachinaka, Ibaraki, Japan, organized by "Rockin'on".  At this festival appear mostly J-Rock, and J-Pop artists.  Rock in Japan Festival is the biggest rock festival in Japan in terms of attendance.

Stuart Galbraith: Stuart Galbraith is a British live music event promoter.  He is the founder of Kilimanjaro Live, one of the United Kingdom's largest music promoters.  Starting his career as Events Booker at Leeds University and then at independent promoter MCP, Galbraith went on to become Managing Director of Live Nation and was responsible for the creation of Download Festival, Wireless Festival, Hyde Park Calling and the Live8 Concert.

Moondance Jam: Moondance Jam is an annual rock and classic rock festival held in mid-July in the Leech Lake/Chippewa National Forest Area near Walker, Minnesota.  It is recognized as Minnesota's largest rock festival and the premier classic rock festival in the United States.  The Jam has gone from being a party for a few hundred family and friends back in 1992 to a rock 'n' roll and camping celebration that entertains tens of thousands today mainly because it has maintained a clean, safe and friendly atmosphere along with open festival seating for general admission ticket holders.

Supporting paragraphs: Stuart Galbraith Download Festival
Answer: Stuart Galbraith