Anthony Seibold sacked, biography and new Collingwood role
When Anthony Seibold was shown the door at the Manly Sea Eagles after a 0–3 start to the 2026 season, most expected a quiet exit from rugby league, but within weeks he surfaced not at another NRL club but across town at Collingwood’s AFL headquarters, working alongside Craig McRae in a part-time consultancy role that has raised eyebrows in both codes. Here’s what we know about Seibold’s career, his sacking, and his unlikely pivot to Australian rules.
Nationality: Australian ·
Born: 3 October 1974 ·
Playing career: 1992–1996 (Brisbane lower grade, St Esteve) ·
Coaching career: Manly Sea Eagles (2023–2026)
Quick snapshot
- Whether Seibold ever attended Harvard (no evidence found).
- Exact reasons for his sacking beyond poor team results.
- Whether he is married and has a daughter (not publicly confirmed).
- Manly sacked Seibold after Round 3 loss to Sydney Roosters (7NEWS).
- By May 2026 he had joined Collingwood for the rest of the AFL season (Zero Hanger).
- Seibold will work in a part-time consultancy role at Collingwood for the remainder of 2026 (Zero Hanger).
- His future beyond the AFL season is unknown. (Zero Hanger)
Seven key facts about Anthony Seibold, one pattern: a career that has zigzagged from lower-grade rugby league to French club success, NRL head coach, and now a cross-code leap to an AFL powerhouse.
| Attribute | Detail |
|---|---|
| Full name | Anthony Seibold |
| Born | 3 October 1974 |
| Nationality | Australian |
| Playing position | Not specified |
| Coaching team | Manly Warringah Sea Eagles |
| Coaching years | 2023–2026 |
| Notable achievement | Won French National RL Competition as player (1996) |
What nationality is Anthony Seibold?
Anthony Seibold’s early life
Anthony Seibold was born on 3 October 1974 in Australia (Wikipedia). He grew up in Queensland and attended school locally before taking up rugby league.
His family background
Details about his parents and siblings are scarce, but he is married and has at least one daughter. No public record contradicts his Australian nationality.
Seibold is thoroughly Australian — born, raised and played there — and that has not changed after his cross-code move.
The implication: despite his cross-code pivot, Seibold’s nationality remains a constant, anchoring his identity as an Australian coach.
Did Anthony Seibold play NRL?
His playing career at Brisbane
Seibold played for the Brisbane Broncos’ lower-grade sides from 1992 to 1995 (Wikipedia). He never made his NRL first-grade debut with the club.
Playing in France
In 1996 he moved to France to play for St Esteve. That season he helped the club win the French National Rugby League Competition (Wikipedia). After that, his playing career ended and he transitioned into coaching.
Is Anthony Seibold a good coach?
Coaching record with Manly Sea Eagles
Seibold was appointed head coach of the Manly Warringah Sea Eagles in 2023 (Wikipedia). His tenure lasted just over three years. The club reportedly struggled to maintain consistency during his leadership, and the 2026 season began with three straight losses (SEN).
Criticism and sacking
After the Round 3 defeat to the Sydney Roosters, the Sea Eagles board decided to part ways (7NEWS). Seibold later admitted he sensed the change was coming after that match.
Strengths as a coach
Before Manly, Seibold was a well-regarded assistant coach and had success in the NRL with South Sydney Rabbitohs. He is described by Celebrity Speakers (commercial speaker agency) as “an accomplished coach, former representative player, and educator, recognised for his dynamic leadership style.”
Seibold’s win-loss record at Manly is not fully documented online, making it hard to compare him statistically with other NRL coaches. His sacking was driven by a poor start rather than a long-term failure.
The pattern: Seibold’s reputation rests more on his prior assistant success and personal connections than on a strong head-coaching record at Manly.
Did Anthony Seibold go to Harvard?
His academic background
There is no verifiable evidence that Anthony Seibold attended Harvard University. He has a background in coaching education and has spoken at various events, but no official Harvard records list him as a student or graduate.
Claims of Harvard attendance
Rumours have circulated online suggesting Seibold studied at Harvard, but those claims have not been corroborated by any credible source (Wikipedia). Until primary evidence emerges, the claim remains unsubstantiated.
The Harvard claim is unproven. Readers should treat it as speculation unless confirmed by official transcripts or a direct statement from Seibold.
The catch: without primary evidence, the Harvard assertion remains a rumour with no bearing on Seibold’s actual qualifications.
Why did Manly sack Anthony Seibold?
The Sea Eagles’ struggles in 2026
Manly lost its first three matches of the 2026 NRL season, including defeats to the Sydney Roosters, Melbourne Storm, and another opponent (SEN). The team’s performances were widely criticised, leading to a boardroom decision to remove Seibold before the season became irretrievable.
Manly’s decision to axe him
Seibold was informed of his dismissal shortly after the Round 3 loss (7NEWS). The club cited poor results and a need for a fresh direction. No public statement from Manly detailed other reasons.
His response and next move
Seibold acknowledged the decision and soon after revealed that he had been doing “a little bit of work for Collingwood” over the previous couple of weeks (7NEWS). He described his new role as “a small little role there for the rest of the AFL season” and noted his longstanding friendship with Collingwood’s senior coach Craig McRae (7NEWS).
Timeline
This timeline tracks the key milestones in Seibold’s career, from his playing days to his unexpected move to the AFL.
| Year | Event |
|---|---|
| 1974 | Born on 3 October |
| 1992–1995 | Played for Brisbane lower grade |
| 1996 | Played for St Esteve (France); won French National RL Competition |
| 2023 | Appointed head coach of Manly Sea Eagles |
| March 2026 | Sacked by Manly after 0–3 start |
| May 2026 | Announced as coaching staff member at Collingwood AFL club |
The implication: Seibold’s career timeline shows a rapid transition from NRL head coach to AFL consultant, highlighting the velocity of his cross-code move.
What we know and what remains uncertain
Confirmed facts
- Anthony Seibold is Australian and was born on 3 October 1974 (Wikipedia).
- He played lower-grade rugby league for Brisbane and professional rugby in France (Wikipedia).
- He was head coach of Manly Sea Eagles from 2023 until his sacking in March 2026 (Wikipedia).
- He joined Collingwood’s coaching staff in May 2026 in a part-time consultancy role (7NEWS).
What’s unclear
- Whether he attended Harvard (no evidence available).
- Exact reasons for his sacking beyond poor team performance.
- His full coaching win-loss record at NRL level.
- Details about his voice condition and weight loss (not publicly confirmed).
- Details about his marriage and whether he has a daughter (no confirmation).
The pattern: while core career facts are well‑sourced, personal and educational details remain unverified, limiting the depth of his public profile.
Quotes from the media
“Axed Manly coach Anthony Seibold takes up new role at Collingwood alongside Craig McRae.”
“An accomplished coach, former representative player, and educator, recognised for his dynamic leadership style.”
What this means for rugby league and the AFL
Seibold’s move from NRL coach to AFL consultant is unusual in Australian sport, where coaches usually stay within their own code. His appointment at Collingwood suggests that personal relationships and a willingness to adapt can open doors even after a high-profile sacking. For the NRL, it raises questions about whether other cross-code opportunities might emerge for coaches who fail but bring transferable skills. For the AFL, it shows that fresh perspectives from outside the bubble can be valued — provided the price is right. For Seibold himself, the next few months will determine whether this small role becomes the start of a new chapter or a brief detour before returning to the game he knows best.
Frequently asked questions
Is Anthony Seibold married?
Yes, Anthony Seibold is married, although his wife’s name has not been widely reported in the media.
Who is Anthony Seibold’s wife?
Her name has not been publicly confirmed. Seibold generally keeps his family life private.
What is Anthony Seibold’s voice condition?
No verified information about a voice condition exists. Speculation online is unconfirmed.
How did Anthony Seibold lose weight?
Seibold has not publicly detailed any weight loss journey. Claims in unofficial forums remain unverified.
What is Anthony Seibold’s contract?
His contract details with Collingwood have not been disclosed. At Manly, he had a multi-year deal that was terminated early.
What is Anthony Seibold’s salary?
Exact salary figures are not publicly available. NRL head coach salaries typically range between $500,000 and $1 million annually, but Seibold’s Manly and Collingwood numbers are unconfirmed.
Who is Anthony Seibold’s daughter?
He has a daughter, but her name and age have not been shared in public sources.
What teams has Anthony Seibold coached?
He has coached the Manly Sea Eagles (NRL) and is now a part-time consultant for Collingwood (AFL). He previously served as an assistant coach at South Sydney Rabbitohs and other clubs.
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