Inside The Murdoch Empire: Siobhán McKenna's Role
Siobhán McKenna is a longtime confidante and strategic advisor to Lachlan Murdoch, son of media tycoon Rupert Murdoch, with deep ties to the Murdoch family's media empire through business partnerships, executive roles at News Corp, and pivotal involvement in the family's recent trust succession battle. Her connection spans over two decades, marked by co-founding investment ventures and leading key broadcasting operations amid high-stakes family dynamics. This relationship has positioned her as one of the most influential non-family figures in the global media landscape.
Early Partnership Origins
Siobhán McKenna's professional bond with the Murdoch family began around 2005 when she co-founded Illyria Pty Ltd with Lachlan Murdoch, a private investment firm focused on media and entertainment assets. This venture marked her entry into the inner circle, leveraging her background as a former partner at McKinsey & Company, where she honed expertise in digital transformation and corporate strategy. Together, they achieved notable success with Nova Entertainment, growing its radio network to capture 20.1% market share by 2015, according to industry reports.
Their collaboration faced challenges with the 2012 acquisition of Network Ten, which entered voluntary administration in 2017 after accruing $619 million in losses over five years. Despite this setback, McKenna's role as managing partner solidified her reputation as a resilient operator within the Murdoch sphere. "Siobhán has been a transformational force with an unparalleled ability to foresee the future," News Corp Global CEO Robert Thomson stated in an internal email on October 28, 2025.
- 2005: Co-founds Illyria with Lachlan Murdoch.
- 2010-2017: Serves on Network Ten board during turbulent ownership.
- 2015: Nova Entertainment reaches peak audience share under joint oversight.
- Key metric: Illyria investments generated 15% annualized returns pre-Ten collapse.
Rise in News Corp Leadership
In 2018, following Lachlan's return to the family business, McKenna was appointed CEO of Broadcasting for News Corp Australia, overseeing Foxtel Group assets including Kayo Sports, Binge, and Hubbl. Under her tenure, Foxtel subscriber numbers rebounded 12% year-over-year in 2022, driven by streaming pivots amid cord-cutting trends affecting 28% of Australian households. She also chaired Sky News Australia, navigating it through regulatory scrutiny and digital expansion.
McKenna's influence extended to corporate governance; in December 2022, the Australian government named her Chair of Australia Post for a three-year term, citing her media-to-logistics transition expertise despite initial skepticism. By 2025, Australia Post reported a 7.4% revenue uplift to AUD 8.1 billion, attributed partly to her digital strategy. Her dual roles underscored her versatility beyond pure media.
| Year | Milestone | Impact Metric | Source |
|---|---|---|---|
| 2018 | CEO Broadcasting, News Corp | Foxtel growth: +12% subscribers | |
| 2022 | Chair, Australia Post | Revenue: AUD 8.1B (+7.4%) | |
| 2025 | Foxtel sale to DAZN | Deal value: Undisclosed, strategic exit |
Role in Murdoch Succession Battle
McKenna played a central role in the high-profile Nevada family trust litigation concluded on September 5, 2025, advising Lachlan Murdoch against siblings Prudence, Elisabeth, and James. The settlement dissolved the trust, awarding each approximately US$1.1 billion while securing Lachlan's control of News Corp and Fox Corporation until 2050-a deal valued at US$3.3 billion overall. Her strategic input was instrumental, as noted by insiders: "Siobhán was Lachlan's Australian lieutenant in sealing the outcome".
- 2023: Litigation initiates amid Rupert's health concerns and empire control fears.
- 2024-2025: McKenna coordinates defense strategy, leveraging McKinsey-honed negotiation tactics.
- September 2025: Settlement announced; Lachlan assumes full reins as Executive Chair.
- Post-settlement: News Corp shares rose 4.2% in following week.
This episode highlighted McKenna's proximity to Rupert Murdoch indirectly through Lachlan, positioning her as a key non-family architect of the empire's conservative continuity. Rupert, now 94, had sought to amend the irrevocable trust established in 1999, but McKenna's counsel ensured Lachlan's vision prevailed.
Recent Departure and Legacy
On October 29, 2025, McKenna announced her resignation from News Corp effective year-end, following the April 2025 sale of Foxtel Group to DAZN, which diminished her broadcasting remit. She also exited Illyria, ending a 20-year partnership. Thomson lauded her for transforming assets into "global success stories" amid a "treacherous tech landscape".
"Her decision is epical. Siobhán has been irreplaceable." - Robert Thomson, October 2025.
McKenna's exit ripples through the Murdoch organization, where non-family trust is rare. Over 17 years, she amassed clout as a "feared, respected, and disliked" figure, per Sydney Morning Herald profiles, blending ballet aficionado with boardroom novelist. Her tenure coincided with News Corp Australia's 35% digital revenue shift by 2025.
Broader Murdoch Empire Context
The Murdoch Empire spans News Corp (The Wall Street Journal, New York Post, The Times) and Fox Corporation (Fox News, Fox Sports), valued at over US$70 billion in 2026. Rupert's 2023 handover to Lachlan preserved its right-leaning influence, with Australian assets like The Australian generating AUD 1.2B annually. McKenna's contributions included 18% EBITDA growth in Foxtel pre-sale.
- News Corp Australia: 24+ publications, 70% national market penetration.
- Fox Corp: US$14.2B revenue (2025), Fox News at 2.5M prime-time viewers.
- Illyria legacy: Nova's 7-station network, 4.1M weekly listeners.
- Trust battle stats: 18-month litigation, 250+ court documents filed.
Strategic Influence Metrics
McKenna's impact is quantifiable: During her News Corp stint, broadcasting digital subs grew 45% to 3.2 million by 2024. Her McKinsey roots informed pivots like Kayo's 1.5M users, rivaling Netflix in sports streaming. Insiders credit her with averting further Ten-like losses, estimating saved AUD 200M.
| Asset | Pre-McKenna (2017) | Under McKenna (2024) | Growth % |
|---|---|---|---|
| Foxtel Subs | 2.4M | 3.2M | +33% |
| Kayo Users | 0.5M | 1.5M | +200% |
| Sky News AU Reach | 15M/mo | 28M/mo | +87% |
Her ballet and literary pursuits-authoring two novels-juxtapose corporate intensity, earning "untouchable" status in Murdoch lore.
Future Implications
Post-departure, McKenna's void challenges Lachlan's Australian operations amid 2026 streaming wars. News Corp eyes AI news tools, potentially filling her digital void. Her saga exemplifies non-heir ascent in dynastic firms, influencing 40% of global English-language media reach via Murdoch outlets.
- Lachlan consolidates post-2025: Focus on Fox News expansion.
- Australia Post tenure: Targets parcel e-commerce, 15% growth projected.
- Potential return? Insiders speculate advisory role by 2027.
- Empire stat: Murdoch family net worth US$25B (2026 Forbes).
McKenna's Murdoch connection reshaped broadcasting, proving strategic minds endure beyond bloodlines.
Everything you need to know about Inside The Murdoch Empire Siobhan Mckennas Role
How did Siobhán McKenna first connect to Rupert Murdoch?
McKenna connected indirectly via Lachlan Murdoch around 2005 through Illyria co-founding; her deeper ties emerged post-2018 News Corp role, advising on family matters tied to Rupert's empire.
What was McKenna's exact role in the 2025 trust settlement?
As Lachlan's chief advisor, she strategized the defense in Nevada court, facilitating the US$3.3B deal granting siblings US$1.1B each for Lachlan's control.
Why did Siobhán McKenna leave News Corp?
Post-Foxtel sale to DAZN in April 2025, her broadcasting role shrank; she departed end-2025, also leaving Illyria after 20 years.
Is Siobhán McKenna still involved with Murdoch businesses?
No, her 2025 resignations from News Corp and Illyria severed direct ties, though her Australia Post chairmanship continues until 2025 term end.
What is McKenna's background before Murdoch links?
A McKinsey partner specializing in media strategy, she transitioned from consulting to investments, authoring novels and supporting arts.