Also known as: International Sports Advisors Co., Inc.; ISA; International Sports Advisors Co.
Founded: Original agency activity dates to 1991, according to a Todd Diamond interview; the current Florida corporation, International Sports Advisors Co., Inc., was filed March 9, 2021.
Headquarters: Hollywood, Florida, USA.
Other offices: Finland/Europe coverage through Ilkka Larva; older public profiles also connect the agency to New Jersey/Franklin Lakes contact history.
Agency type: Large hockey agency
Ownership: Current Florida records list Mark Gandler as President and Todd Diamond as Executive VP.
Primary markets: NHL, AHL, Finland, Sweden, Russia/KHL-linked markets, Europe-to-NHL pathways, and elite European player representation.
Players (Total value: $406M active NHL contract value): 150+ total clients; NHL clients: 42. PuckPedia lists 30 active NHL contracts for International Sports Advisors worth $406,032,498, plus 1 future contract worth $16.8M.
Key agents: Ilkka Larva, Jon Währn, Mark Gandler, Nils Bäckström, Todd Diamond; PuckPedia lists Mark Gandler & Todd Diamond as signing agents for the active NHL contract book.
Languages: English, Finnish, Russian, Swedish; Russian/Eastern European focus is supported by Todd Diamond’s historical interview comments.
Contact email: Not publicly listed.
Phone / WhatsApp: +1 201-847-0077 is listed by Booking Agent Info, but direct agency verification was not found.
International Sports Advisors is a high-end hockey representation group historically associated with Mark Gandler and Todd Diamond. In a 2004 Finnish interview, Diamond said he and Gandler founded the company in 1991 and initially built a strong Eastern European and Russian player pipeline.
The current Florida corporate record lists International Sports Advisors Co., Inc. as active, with Mark Gandler as President and Todd Diamond as Executive VP. The agency’s modern public roster has a strong Finnish and Russian identity, led by Aleksander Barkov, Mikael Granlund, William Eklund, Andrei Svechnikov, Leo Komarov, Kristian Vesalainen, Markus Granlund, Jori Lehterä, Aleksi Heponiemi, and Victor Eklund. The current public agency listing shows 153 total clients, 42 NHL clients, and 71 NHL-drafted clients as of May 9, 2026. PuckPedia lists Mark Gandler & Todd Diamond with 30 active NHL contracts worth $406.03M and one future contract worth $16.8M. The largest current contract is Aleksander Barkov’s eight-year, $80M Florida Panthers extension, signed by Gandler & Diamond.
The agency also has major active or future NHL deals for Ivan Provorov, Andrei Svechnikov, Mikael Granlund, Pavel Buchnevich, Dmitry Orlov, and William Eklund. ISA’s differentiator is elite European representation, especially Finnish, Russian, and Swedish clients moving between NHL, AHL, KHL, Liiga, SHL, and Swiss/Czech markets. Its client base also includes older European stars and returning NHL veterans, which makes the agency useful for both prime NHL contracts and late-career European placement. The agency is unusually low-profile online for the size of its NHL contract book, with no clearly verified active public website.
Contract figures below use public PuckPedia records where available.
Aleksander Barkov (Florida Panthers) – F – Finland – Sept. 2, 1995 – NHL contract: 8 years, $80M total, $10M AAV, expires 2030.
Andrei Svechnikov (Carolina Hurricanes) – F – Russia – Mar. 26, 2000 – NHL contract: 8 years, $62M total, $7.75M AAV, expires 2029.
Ivan Provorov (Columbus Blue Jackets) – D – Russia – Jan. 13, 1997 – NHL contract: 7 years, $59.5M total, $8.5M AAV, signed 2025.
Pavel Buchnevich (St. Louis Blues) – F – Russia – Apr. 17, 1995 – NHL contract listed by PuckPedia at $48M total and $8M AAV.
Mikael Granlund (Anaheim Ducks) – F – Finland – Feb. 26, 1992 – NHL contract: 3 years, $21M total, $7M AAV, NTC/M-NTC structure.
William Eklund (San Jose Sharks) – F – Sweden – Oct. 12, 2002 – NHL extension: 3 years, $16.8M total, $5.6M AAV, starts 2026-27.
Dmitry Orlov (Carolina Hurricanes / NHL) – D – Russia – July 23, 1991 – PuckPedia lists a 2025 contract at $13M total and $6.5M AAV.
Leo Komarov (Kiekko-Espoo) – F – Finland – Jan. 23, 1987 – European salary not public; current public agency listing shows 2025-26 Kiekko-Espoo.
Kristian Vesalainen (HC Sparta Praha) – F – Finland – June 1, 1999 – European salary not public; current public agency listing shows 2026-27 HC Sparta Praha.
Markus Granlund (Genève-Servette HC) – F – Finland – Apr. 16, 1993 – European salary not public; current public agency listing shows 2025-26 Genève-Servette HC.
Jori Lehterä (HIFK) – F – Finland – Dec. 23, 1987 – European salary not public; current public agency listing shows 2026-27 HIFK.
Aleksi Heponiemi (HV71) – F – Finland – Jan. 9, 1999 – European salary not public; current public agency listing shows 2026-27 HV71.
Victor Eklund (Bridgeport Islanders / New York Islanders) – F – Sweden – Oct. 3, 2006 – NHL ELC: 3 years; selected No. 16 overall in 2025.
Victor Eklund (Bridgeport Islanders / New York Islanders) – F – Sweden – Oct. 3, 2006 – first-round pick, No. 16 overall, signed to a three-year ELC.
William Eklund (San Jose Sharks) – F – Sweden – Oct. 12, 2002 – young NHL top-six forward with future three-year extension.
Aleksi Heponiemi (HV71) – F – Finland – Jan. 9, 1999 – current public agency listing shows 2026-27 HV71.
Additional ISA prospects are visible in PuckPedia’s agency table, including players on ELCs with Utah, Washington, Buffalo, Seattle, Nashville, Calgary, Dallas, Ottawa, and Edmonton.
PuckPedia lists 7 active goaltender contracts under Mark Gandler & Todd Diamond, but the current public top-client list supplied here is forward-heavy.
No clear goalie specialty is publicly stated.
No current coach/staff representation list was publicly verified.
Alexei Kasatonov – cited by Todd Diamond as the agency’s first client connection in its early history.
Alexei Yashin – cited in a 2004 Finnish profile of Todd Diamond’s client history.
Patrik Elias – cited in a 2004 Finnish profile of Todd Diamond’s client history.
Darius Kasparaitis – cited in a 2004 Finnish profile of Todd Diamond’s client history.
Olli Jokinen – moved to Todd Diamond / International Sports Advisors in 2005, according to Finnish reporting.
Negotiation style: elite-player, high-value contract focus with deep European/Russian/Finnish relationships.
NHLPA/CBA expertise: PuckPedia lists Gandler & Diamond with 30 active NHL contracts worth $406.03M.
Network strengths: Finland, Russia, Sweden, NHL, AHL, KHL, Liiga, and European return pathways.
Development pipeline: first-round and young NHL clients include William Eklund and Victor Eklund.
Veteran placement: current public listing includes Leo Komarov, Jori Lehterä, Mikael Granlund, Markus Granlund, and other experienced European/NHL players.
Low-publicity operating style: despite a top-15 NHL agency contract book on PuckPedia, no verified active agency website was found.
Mark Gandler and Todd Diamond founded International Sports Advisors in 1991, according to Diamond’s 2004 interview.
The agency’s first client connection was tied to Soviet/Russian hockey and Alexei Kasatonov.
The agency later expanded strongly into Finland, with Ilkka Larva publicly associated with the European operation.
1991 – International Sports Advisors founded by Gandler and Diamond, according to Diamond’s interview.
2005 – Olli Jokinen moved to Todd Diamond / International Sports Advisors.
2021 – Current Florida corporation filed.
2021 – Aleksander Barkov agreed to an eight-year, $80M Florida extension.
2021 – Andrei Svechnikov agreed to an eight-year, $62M Carolina contract.
2025 – Mikael Granlund signed a three-year, $21M Anaheim contract.
2025 – William Eklund signed a three-year, $16.8M San Jose extension.
North America: NHL/AHL contract execution through Gandler & Diamond.
Finland: Barkov, Granlund family, Komarov, Vesalainen, Lehterä, Heponiemi and Ilkka Larva-linked European presence.
Russia/Eastern Europe: historical agency base around Russian/Soviet players and current Russian NHL/KHL clients.
Sweden: William and Victor Eklund, plus Swedish prospect and NHL representation.
Specialty lanes: elite NHL forwards, Russian/Finnish stars, KHL-to-NHL and NHL-to-Europe transitions, high-value extensions.
Contract/cap specialist: Mark Gandler and Todd Diamond.
Europe/Finland contact: Ilkka Larva.
Sweden/Europe contact: Jon Währn and Nils Bäckström are listed in current public agency data.
Immigration/visa counsel: not publicly named.
Litigation/agent-law counsel: not publicly named.
Marketing/brand partnerships: not clearly disclosed.
PR/media training: not clearly disclosed.
Skills coaches / skating coaches / goalie coaches: not publicly named.
Analytics/scouting support: not publicly named.
Financial advisors/tax partners: not publicly named.
2021 – Aleksander Barkov: Florida Panthers – extension – 8 years – $80M total – $10M AAV – signed by Mark Gandler & Todd Diamond.
2021 – Andrei Svechnikov: Carolina Hurricanes – RFA extension – 8 years – $62M total – $7.75M AAV.
2025 – Ivan Provorov: Columbus Blue Jackets – extension – 7 years – $59.5M total – $8.5M AAV.
2025 – Pavel Buchnevich: St. Louis Blues – extension/standard contract – 6 years – $48M total – $8M AAV.
2025 – Mikael Granlund: Anaheim Ducks – UFA signing – 3 years – $21M total – $7M AAV – NTC then modified NTC.
2025 – Dmitry Orlov: Carolina Hurricanes – standard contract – 2 years – $13M total – $6.5M AAV.
2025 – William Eklund: San Jose Sharks – extension – 3 years – $16.8M total – $5.6M AAV – begins 2026-27.
2025 – Victor Eklund: New York Islanders – ELC – 3 years – selected No. 16 overall in 2025.
NHL contracts signed / active book: 30 active NHL contracts in PuckPedia’s current International Sports Advisors table.
Total value signed / active NHL value (USD): $406,032,498 active NHL contract value.
Total AAV represented (USD): $78,761,666 active NHL cap hit.
Extensions/renewals: future-contract table includes William Eklund’s $16.8M extension; recent active-contract highlights include Provorov, Buchnevich, Granlund, and Orlov.
ELCs signed: current/future ELC examples include Victor Eklund and multiple younger NHL contracts visible in the agency table.
RFA outcomes: William Eklund’s future extension and Andrei Svechnikov’s long-term RFA deal are public examples.
Arbitration cases: none publicly verified in reviewed sources.
Europe transfers: not fully quantifiable from public sources; current public roster shows Liiga, KHL, Czech, Swiss, AHL and NHL movement.
Aggregate client market value: $406.03M active NHL contract value, excluding non-NHL and European salaries not publicly disclosed.
NHLPA certification status: Todd Diamond is listed in the NHLPA certified-agent directory under International Sports Advisors Co., Inc.; PuckPedia lists Gandler & Diamond as signing agents on the current NHL contract book.
National federation registrations: SJRY published a 2016 notice that Ilkka Larva / International Sports Advisors had ceased activity as a registered Finnish hockey agent; current public agency data still lists Larva, so current Finnish registration should be independently verified.
Professional liability insurance: not publicly stated.
Ethics/compliance notes: no public NHLPA discipline found in reviewed sources.
Andrei Svechnikov – Carolina Hurricanes: “I want to be a Hurricane.”
William Eklund – San Jose Sharks: “I wanted to stay here.”
Pat Verbeek – Anaheim Ducks GM, on Mikael Granlund: “hard worker.”
1991 – Agency founded by Mark Gandler and Todd Diamond, according to Diamond’s interview.
2021 – Current Florida corporation filed in Hollywood, Florida.
2021 – Barkov signed Florida’s eight-year, $80M extension.
2025 – Granlund signed a three-year, $21M Anaheim contract.
2025 – William Eklund signed a three-year, $16.8M Sharks extension.
2026 – Current public agency listing shows 153 total clients and 42 NHL clients
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