People · Operator

John Knowles

Named in public records as an officer, director or promoter · active 2016–2025 · Other Health Care, Biotechnology

4
Companies
8
Filings
$52.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Zyus Life Sciences Inc.Other Health CareSeries B$40.4M$10.4M2020
Prairie Plant Systems Inc.BiotechnologySeries A$6.5M$233.9M2016
CanniMed Therapeutics Inc.BiotechnologySeries A$5.2M$186.3M2016
Zyus Life Sciences CorpOther Health CarePre-Seed$692K$1.6M2024
Operator network

John Knowles at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

John Hyshka · 3 companies · 2 sharedJohn HyshkaKeith Carpenter · 3 companies · 2 sharedKeith CarpenterGarnette Weber · 2 companies · 2 sharedGarnette WeberMichelle Gursky · 2 companies · 2 sharedMichelle GurskyBrent Zettl · 4 companies · 3 sharedBrent ZettlAdam Darbellay · 1 companies · 1 sharedAdam DarbellayAllan Fowler · 1 companies · 1 sharedAllan FowlerDr. Lionel Marks De Chabris · 1 companies · 1 sharedDr. Lionel Marks …Donald Ching · 2 companies · 2 sharedDonald ChingLarry Holbrook · 2 companies · 2 sharedLarry HolbrookDon Ching · 1 companies · 1 sharedDon ChingDoug Banset · 1 companies · 1 sharedDoug BansetBrandon Price · 4 companies · 2 sharedBrandon PriceBruce Mackler · 2 companies · 2 sharedBruce MacklerDwayne Lashyn · 2 companies · 2 sharedDwayne LashynMarianne Greer · 2 companies · 2 sharedMarianne GreerRob Duguid · 2 companies · 2 sharedRob DuguidBrenton Zettl · 1 companies · 1 sharedBrenton ZettlDoug Banzet · 1 companies · 1 sharedDoug BanzetGulwant Bajwa · 1 companies · 1 sharedGulwant BajwaRichard Hoyt · 3 companies · 3 sharedRichard HoytCharlotte Moore Hepburn · 1 companies · 1 sharedCharlotte Moore H…Zyus Life Sciences Inc. · $40.4M raisedZyus Life Sciences In…Prairie Plant Systems Inc. · $6.5M raisedPrairie Plant Systems…CanniMed Therapeutics Inc. · $5.2M raisedCanniMed Therapeutics…Zyus Life Sciences Corp · $0.7M raisedZyus Life Sciences Co…John KnowlesJK
John Knowles Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside John Knowles on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Brent Zettl34
Richard Hoyt33
Brandon Price24
John Hyshka23
Keith Carpenter23
Larry Holbrook22
Garnette Weber22
Michelle Gursky22
Donald Ching22
Dwayne Lashyn22
Marianne Greer22
Rob Duguid22
Bruce Mackler22
Don Ching11
Wayne Brownlee11
Adam Darbellay11
Allan Fowler11
Doug Banzet11
Doug Banset11
Rick Hoyt11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.