German-Thai technical consulting from Bangkok

German-Thai technical consulting from Bangkok

European Technology. Local Execution.

European Technology. Local Execution.

European Technology. Local Execution.

External technical project management for railway and rolling stock projects — project-based, fractional or interim. Remote, hybrid or on site, with international delivery experience across Europe and Southeast Asia.

Bangkok / SEA

Railway Project Delivery

External Technical Project Management

Europe & Southeast Asia

Your Technical and Commercial Bridge Between Europe and Southeast Asia

German Engineering Background

Technical and project experience across the complete technology lifecycle.

Local Presence in Thailand

On-the-ground stakeholder access, cultural understanding and local coordination.

From Project Challenge to Delivery

Support from initial market assessment through project development and implementation.

External Technical Project Management

External Technical Project Management

For railway and rolling stock projects that require experienced additional project leadership or capacity.

Project Recovery and Bid-to-Execution

Project Recovery and Bid-to-Execution

For critical transitions, delayed projects and situations where structure, ownership and decisions need to be restored.

International Project Delivery

Remote, hybrid or on-site support across Europe and Southeast Asia.

Services

External Technical Project Management

Planning, governance, schedules, risks, actions, suppliers, stakeholders, reporting and technical decision preparation.

Project Recovery

Health assessment, recovery planning, critical-path prioritisation, responsibility clarification and decision support.

Bid-to-Execution Support

Transfer bid assumptions, requirements, risks and open points into structured project execution.

Interface, Risk and Supplier Management

Coordinate technical interfaces, supplier actions, risks, reporting and stakeholder decisions.

Southeast Asia Project Execution

Local execution support for international projects, partners and delivery teams in Thailand and Southeast Asia.

Selected Energy and Infrastructure Projects

Selected project work in energy infrastructure, systems coordination and technical delivery.

From Project Challenge to Delivery

01

Assess

Understand project status, risks, interfaces and capacity gaps.

02

Structure

Define responsibilities, priorities, governance and actions.

03

Deliver

Lead defined workstreams and coordinate teams, suppliers and stakeholders.

04

Stabilize

Support critical phases, recovery, handover and sustainable project control.

Project Delivery in Practice

Project Delivery in Practice

Project Delivery in Practice

Factual examples of railway leadership, operator and OEM understanding, and international project coordination.

Factual examples of railway leadership, operator and OEM understanding, and international project coordination.

Factual examples of railway leadership, operator and OEM understanding, and international project coordination.

Asia Sustainable Energy Week 2026 exhibitor activity

Railway Project Delivery

Railway Project Delivery

Rolling Stock Project Leadership

Rolling Stock Project Leadership

Project leadership and technical coordination for rolling stock delivery, interfaces, suppliers and stakeholders.

Project leadership and technical coordination for rolling stock delivery, interfaces, suppliers and stakeholders.

Local business development meeting

Railway Project Experience

Railway Project Experience

Operator & OEM Perspective

Operator & OEM Perspective

Experience shaped by operator requirements, OEM delivery and the technical decisions that connect both perspectives.

Experience shaped by operator requirements, OEM delivery and the technical decisions that connect both perspectives.

Business cards and qualified opportunities

Europe & Southeast Asia

Europe & Southeast Asia

International Project Coordination

International Project Coordination

Coordination across companies, countries and time zones for defined project workstreams and delivery phases.

Coordination across companies, countries and time zones for defined project workstreams and delivery phases.

Selected Energy & Infrastructure Projects

Visit the H2 Powercell website
Visit the H2 Powercell website

H2 Powercell

H2 Powercell

Selected technical project experience in energy infrastructure and systems coordination.

View Selected Projects

Selected Project Collaborations

EGS-plan

Engineering and project collaboration for integrated energy and infrastructure concepts.

Selected Projects and Professional Experience

Somboon Projects and Collaborations

Selected Energy & Infrastructure Projects

Selected project leadership and stakeholder coordination for infrastructure delivery.

HyNRGCube

Technical project coordination for an integrated infrastructure demonstration system in Germany.

Inthanon Phasue with the Pink Line project team at the Bangkok monorail depot.
Inthanon Phasue with the Pink Line project team at the Bangkok monorail depot.

Founder and Managing Director Track Record

Founder and Managing Director Track Record

Professional track record of the Managing Director


Before founding Somboon Energy Solutions.

Professional track record of the


Managing Director before founding


Somboon Energy Solutions.

Bangkok Pink and Yellow Monorail

Project leadership and technical delivery for major urban railway systems in Thailand.

German EMU Fleet Programmes

Lifecycle, procurement, reliability and technical management experience covering more than 400 electric multiple units.

Inthanon Phasue

Inthanon Phasue

Founder & Managing Director

German-Thai engineer and project manager with more than 20 years of technical and international project experience, including more than 15 years in the railway sector. Experience includes operator work at Deutsche Bahn, fleet procurement and lifecycle management for more than 400 EMUs, bid and technical management at Siemens Mobility, and project leadership at Alstom Thailand.

Railway & Rolling Stock

Railway & Rolling Stock

Technical Project Leadership

Technical Project Leadership

Operator & OEM Experience

IPMA Level C

Europe & Southeast Asia

About Inthanon Phasue

Discuss your project requirements

Discuss your project requirements

External technical project management for railway and rolling stock projects, with international delivery experience across Europe and Southeast Asia.

External technical project management for railway and rolling stock projects, with international delivery experience across Europe and Southeast Asia.

Contact Somboon Energy Solutions

Contact Somboon Energy Solutions

Somboon Energy Solutions Co., Ltd.

Managing Director: Inthanon Phasue

31 Soi Chan 16 Yaek 8

Thung Wat Don, Sathon

Bangkok 10120

Thailand

Request a Consultation

Request a Consultation