01
Dennis Psachos
Founder
Experienced shipping-industry CFO with a 16-year international career in ship-finance and capital raising across private and public firms.
Who we are
Investing begins with people
Helm is a multidisciplinary team of investors, operators, and strategists. We build a more transparent, accessible investment experience — grounded in clarity, trust, and long-term thinking rather than complexity.
Founded in Athens · Shipping · Private Equity · Technology
01Core team
The people building Helm
A multidisciplinary group of investors, operators, and product specialists shaping a more thoughtful approach to modern investing.
02
Dimitris Tsoukalas
Founder
15 years of commercial experience and strategic partnerships in the ad-tech space. Digital assets and tech-equity investor.
03
Konstantinos Klampanas
Technology
Software developer with 20 years of experience at high-growth technology companies in Greece, including time as CTO. Builds and maintains the platform behind Helm's investment experience.
04
Dimitris Rouvalis
Technology
Software developer and founding partner at Helm. More than 15 years building digital products at leading Greek technology companies.
05
George Misailidis
Portfolio Director
Oversees portfolio operations and reporting, keeping decisions transparent and grounded in clear data.
06
Anastasia Terzidou
Investment Strategist
Investment strategist connecting market research with disciplined, repeatable decision-making.
02Partners
With long-standing relationships
Partners across private equity, asset management, and shipping who extend Helm's reach and deepen its understanding of the space.
01
Markus Wenker
Diana Shipping
Multifaceted and decorated finance executive. CFO of Yinson Production, with 20+ year international career in ship-finance, capital formation, banking and corporate strategy.
02
Dimitris Magiakos
Diana Shipping
Private markets leader with strong investment expertise. Driving multi-family office growth at Lennertz&Co, previously led Moonfare's US office, expanding global investor base.
03
Zois Dagkaris
Swift Marine
Maritime Executive with 20+ years of senior leadership experience in global fleet operations, procurement and technical management. Managing Director at NSB group.
04
Dimitris Kyrtsos
SSY
Shipbroking leader spearheading international S&P operations and strategic transactions across multiple vessel segments.
05
Yiannis Kourkoulis
Armi
Leading shipping executive. CEO at Armi Shipmanagement and Vice President of S&P at Best Oasis, driving operations, strategy, and investor engagement in global markets.
06
Stratos Tsamouras
Intermodal
Established shipbroking specialist. Senior shipbroker at Intermodal with a track record spanning nearly two decades of successfully engineering transactions across global markets.
07
Andreas Vavalos
Intermodal
Prominent maritime expert with 20 years of successes. Director of S&P at Intermodal, driving strategy and commercial operations while sourcing and managing ship transactions.
08
Mei-Lin Chen
Markets Partner
Markets partner bridging Asian and European capital with a focus on disciplined, transparent execution.
03Advisors
Guided by experience
A seasoned advisory group spanning shipping, finance, and capital markets — bringing decades of operating and board-level perspective.
01
Lefteris Papatrifon
Diana Shipping
Distinguished shipping executive with over 20 years at the C-suite and 15 in finance & asset management. Director of Diana Shipping covering corporate finance and board-level governance.
02
Ioannis Zafirakis
Diana Shipping
Eminent board-level executive and investor, boasting 30 years of maritime stewardship. President and Director of Diana Shipping, leading strategic operations and finance.
03
Nico Koumbatis
Swift Marine
Private-markets leader with strong investment expertise, driving multi-family-office growth and expanding the global investor base.
04
Dimitris Kyrtsos
SSY
Shipbroking leader. Co-Head of Global Sale & Purchase at SSY, spearheading international S&P operations and strategic transactions across multiple vessel segments.
04Helm in numbers
$10B
Capital raised
from private equity investors and public-market listings
400+
Vessel transactions
across dry bulk, tankers, containerships and offshore
>200
Years combined
of collective experience across shipping & technology