A capsule look at the 16 men's teams competing in the GSOC Co-op Invitational, Oct. 13-18, at Victoria's Save-On-Foods Memorial Centre.
Check out the women's teams by clicking here.
Lineups are listed in order of skip, third, second and lead, unless noted.
Full-event, weekend and day passes plus single draw tickets are available. Visit GSOCtickets.com for more information.
Can't make it to Victoria? Check out our broadcast schedule and never miss a moment.
Bottcher
Hometown: Edmonton, Alberta
Lineup: Brendan Bottcher, Jake Horgan, Tanner Horgan, Geoff Walker
Five-time Grand Slam champion Bottcher has returned to skipping, sticking with Walker from Team Gushue. They're joined by the Horgan brothers, both formerly with Team Epping.
Carson
Hometown: Dumfries, Scotland
Lineup: Orrin Carson, Logan Carson, Archie Hyslop, Charlie Gibb
Carson is a three-time bronze medallist at the world juniors. His team qualified for the GSOC Co-op Invitational through the Satellite Events series after reaching the semifinals of the Euro Super Series.
Casper
Hometown: Chaska, Minnesota
Lineup: Danny Casper, Luc Violette, Ben Richardson, Aidan Oldenburg
Casper and his crew represented the U.S. at the Olympic Winter Games in Milano Cortina. They kicked off their season by winning the Stu Sells Oakville Tankard last month.
Dunstone
Hometown: Winnipeg, Manitoba
Lineup: Matt Dunstone, Colton Lott, Mark Nichols, Ryan Harnden
The Brier champions and world silver medallists added Nichols after E.J. Harnden stepped back at the end of last season. Dunstone also reached three straight Grand Slam finals last year, earning his second title in the series at the Masters. His new-look team captured the Okotoks Classic title two weekends ago.
Epping
Hometown: Winnipeg, Manitoba
Lineup: John Epping, B.J. Neufeld, Ryan Wiebe, Ian McMillan
The Toronto-based Epping is now playing one province over after adding Neufeld and Wiebe. The team reached the final of the AMJ Shorty Jenkins Classic to qualify for the GSOC Co-op Invitational.
Eriksson
Hometown: Karlstad, Sweden
Lineup: Oskar Eriksson, Rasmus Wranå, Simon Olofsson, Christoffer Sundgren
Eriksson is at the helm after legendary skip Niklas Edin stepped back from the tour. The team won the Oslo Cup and finished third at the Karuizawa International last month.
Hardie
Hometown: Stirling, Scotland
Lineup: Ross Whyte, Grant Hardie (skip), Craig Waddell, Euan Kyle
Hardie's new challenge sees him skipping and throwing third stones with Whyte. Under Whyte's leadership, the team reached three Grand Slam finals last season, winning the Players' Championship title. Whyte also earned a third straight Scottish men's title and took home bronze at the men's worlds.
Hösli
Hometown: Glarus, Switzerland
Lineup: Philipp Hösli, Marco Hösli (skip), Simon Gloor, Justin Hausherr
Better late than never, reigning Swiss champ Hösli earned the final berth in the GSOC Co-op Invitational through the Prestige Hotels and Resorts Curling Classic in Vernon, B.C. Hösli went undefeated through the tournament, including a 7-6 extra-end victory over Team Tsuyoshi Yamaguchi in the final.
We're all set for the GSOC Co-op Invitational in Victoria starting a week today! Full event details at https://t.co/eC382BiWne https://t.co/tPRnQLFwJw
— Grand Slam of Curling (@grandslamcurl) October 6, 2026
Jacobs
Hometown: Calgary, Alberta
Lineup: Brad Jacobs, Marc Kennedy, Brett Gallant, Ben Hebert
The Olympic champions make their tour season debut after playing against Team Rachel Homan in The Battle last month in Port Elgin, Ontario. Jacobs has won seven Grand Slam of Curling titles, including back-to-back in this event when it was known as the Tour Challenge in 2018 and 2019.
Koe
Hometown: Calgary, Alberta
Lineup: Kevin Koe, Johnson Tao, Aaron Sluchinski, Karrick Martin
Former skip Tao, who finished runner-up to Koe in provincial playdowns last season, joined the Brier finalists after Tyler Tardi moved on to take charge of his own squad. Koe has captured six Grand Slam titles in his career, including five as a skip.
Maeda
Hometown: Kitami, Japan
Lineup: Takumi Maeda, Hiroki Maeda, Uryu Kamikawa, Gakuto Tokoro, Ryotaro Shukuya
Maeda makes his Grand Slam major debut after qualifying through the Satellite Events series by reaching the final of the Karuizawa International. He won the Jr. GSOC U25 men's title last season in Nisku, Alberta.
Mouat
Hometown: Stirling, Scotland
Lineup: Bruce Mouat, Robin Brydone, Bobby Lammie, Hammy McMillan
Mouat has won 12 Grand Slam men's titles, including seven during the previous quadrennial. The team took home silver at the Olympic Winter Games in Milano Cortina. With Grant Hardie moving on, Mouat added former Team Whyte third Brydone.
Ramsfjell
Hometown: Trondheim, Norway
Lineup: Magnus Ramsfjell, Steffen Walstad, Bendik Ramsfjell, Mathias Brænden
The team added former skip Walstad and Brænden after third Martin Sesasker moved on and lead Gaute Nepstad stepped back. Ramsfjell just missed the podium in Milano Cortina, losing to Switzerland's Team Yannick Schwaller in the bronze game.
Schwaller
Hometown: Geneva, Switzerland
Lineup: Benoît Schwarz-van Berkel, Yannick Schwaller (skip), Sven Michel, Pablo Lachat-Couchepin
The Olympic bronze medallists are back for another go. Schwaller captured his first Grand Slam title last season at the Canadian Open. His crew won the Baden Masters and Euro Super Series to start this season and become the first Swiss men's team to reach No. 1 in the world rankings.
Waddell
Hometown: Hamilton, Scotland
Lineup: Kyle Waddell, Mark Watt, Angus Bryce, Blair Haswell
Waddell finished runner-up to Team Whyte in the Players' Championship and Scottish men's championship last season. Former Team Whyte second Duncan McFadzean is expected to be in the lineup for the near future, with Bryce recovering from a pre-season injury.
Yamaguchi
Hometown: Karuizawa, Japan
Lineup: Riku Yanagisawa, Tsuyoshi Yamaguchi (skip), Takeru Yamamoto, Satoshi Koizumi, Yasumasa Tanida
Yamaguchi, who skips and throws third stones, won his 12th Japanese curling championship in June. The team holds two titles through four finals on tour this season, taking the Wakkanai Midori Challenge Cup and Karuizawa International.