Hospitality Real Estate Developments Advisory Experiences Investor Forum Leadership Global Presence Private Access

Thalassa Private

A Private Investment
& Hospitality Platform

Greece  ·  Mediterranean  ·  SE Asia

Connecting hospitality investments, private real estate, developments, strategic advisory and curated experiences through one integrated ecosystem.

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What We Do

Five Disciplines.
One Platform.

Thalassa Private brings together specialist expertise across hospitality, real estate, developments, advisory and curated experiences — delivered as a single, coordinated private platform.

01

Hospitality Investments

  • Hotels & Resorts
  • Hospitality Platforms
  • Strategic Acquisitions

By Thalasia Global Hospitality Investments

02

Private Real Estate

  • Luxury & Branded Residences
  • Private Acquisition Representation
  • Curated Investment Opportunities

By Property Connect Global

03

Developments

  • Hospitality Developments
  • Modular Resort Concepts
  • Landowner Partnerships

By Aegean Developments

04

Strategic Advisory

  • Capital Partnerships
  • International Strategic Advisory
  • Cross-Border Growth Advisory

By GHAP Global

05

Aegean Experiences

  • Private Travel
  • Investor Retreats
  • Mediterranean Concierge Access

By Aegean Essence

Investor Forum

A Private Network
for Serious Investors

Exclusive access to off-market hospitality and real estate opportunities, investor retreats and strategic introductions — curated for family offices, private capital and institutional partners across Greece, the Mediterranean and beyond.

Relationship-driven. Invitation-based. Selectively curated.

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Leadership

John Kosmas — Founder & Director

John Kosmas

Founder & Director — CPA · Global Investment Dealmaker

John Kosmas is a CPA, global investment dealmaker and strategic advisor with over 35 years of leadership across professional services, private wealth and complex investment transactions. He specialises in the origination, structuring and execution of high-value property, hospitality and advisory investments.

Throughout his career, John has built a highly trusted global network of family offices, institutional investors, private capital providers and operating partners — leading and advising on strategic acquisitions, joint ventures and significant equity and debt transactions across Asia, Europe and the Middle East.

Known for commercial discipline and a relationship-driven approach, John's focus is on originating high-quality deals, structuring them with clarity and precision, and supporting execution to deliver resilient, long-term value.

CPA Property Investment Capital Markets Hospitality M&A Advisory Family Office Advisory
Connect on LinkedIn →

Global Presence

Four Continents.
One Platform.

enquire@thalassaprivate.com

Headquarters
Athens, Greece
Ippodamias Sq. 8
Piraeus, Attica 18531
Greece
Middle East
Abu Dhabi, UAE
3808-C5.D012, 38th Floor
Addax Port Office Tower
Al Reem Island, Abu Dhabi – UAE
Asia Pacific
Singapore
12 Marina Boulevard, 17-01
Tower 3, Marina Bay Financial Centre
Singapore 018982
Australia
Sydney
Level 36, 1 Macquarie Place
Sydney NSW 2000
Australia

Private Access

Let's Start a
Conversation

Whether you are an investor, developer or potential operating partner — we would welcome the opportunity to understand your objectives and explore how Thalassa Private can create genuine value.

✉ Email enquire@thalassaprivate.com
◉ Headquarters Athens, Greece
in LinkedIn John Kosmas
Request Private Access
We respond within one business day.