Our Team

Our expert team

Work in the following fields:
Property, transportation, education, health, government, communications & energy contracts, we support each stage of the project. Driving the whole process while taking care of everything from preparing the brief, analysing & advising on risk.
Appointing the project team, briefing them fully, agreeing and issuing specific procedures plus managing development of phased programmes. Our approach enables us to provide staff with an extensive range of experience of the markets in which they work, coupled with a thorough knowledge of project management’s best practice.

HML brings a fresh approach to how the client’s needs are met and their projects are delivered ahead of programme and under budget. Internationally, we advise our clients on delivery of their projects no matter the scale or complexity, financial modelling, organisational development, training and development management for clients in the Baltics as well as Finland and the UK.

In addition to our substantial planning, development and project management backgrounds, HML has founded and advised on property management, public and privately funded projects as well as consultation to other groups.
HML markets are Estonia, Finland, Latvia, Lithuania, Poland, Ireland and the UK.

Leo O Neill

CEO & Founder

Leo O Neill founded HML Project Management in order to provide a complete set of professional project management services to businesses and organizations seeking to gain operational efficiencies and capture bottom-line results. Leo has over 20 years experience of project management and brings a fresh approach to how the client’s needs are met, ensuring their projects are delivered ahead of programme and under budget. Internationally, Leo advises clients on delivery of their projects no matter the scale or complexity, financial modelling, organisational development, training and development management for clients in the Baltics as well as Finland, Poland, UK and Ireland.

leo[at]hml.ee  +372 5697 0480 

Hanna O Neill

Founder & Business Developer

Hanna is a Principal of HML Project Management, a Co-Founder of the company and Chair of its Board of Directors. In her role of Business Developer her work is instrumental to the success of our company.

hanna[at]hml.ee +372 605 6417

Kevin Ellis

Director & Board Member

Kevin brings more than 30 years of practical, hands-on industry experience to every project he is involved with. His expertise encompasses various sectors of the construction industry.  Many of his commissions in recent years have been on very complex or larger-scale, multi-million euro projects. Kevin’s years of experience and formal training have cultivated his excellent working knowledge of the construction industry with the ability to provide valuable advice and strategy during both the design and construction phases.

kevin[at]hml.ee +372 605 6417

Marius Lisovskis

Project Manager (Lithuania, Eastern and Central Europe)

Marius joined HML Project Management in July 2015 and heads the Lithuanian HML branch office. He is tasked with liaising with clients and reporting progress, supervising contracted staff, meeting subcontractors, making safety inspections and ensuring construction and site safety, checking and preparing site reports, designs and drawings, maintaining quality control procedures. Sourcing new clients accounts and excellent customer service. Marius holds  Bachelor’s Degree in Law and Management and a Master’s Degree in Business Law faculty of Mykolas Romeris University.

marius[at]hmlprojects.lt +370 6724 7322

Gabriele Grusiene

Architect; Lithuania & East Central Europe

Gabriele is the lead architect with HML, based in our Lithuanian office. She is responsible for design management involving: code application, design development, MEP coordination, process support coordination, construction documents, Sketch Up, Revit, 3DS MAX 3D modelling, structural engineering; preconstruction services. Plus site analysis and selection, feasibility studies, conceptual design, master planning, equipment planning and analysis; project administration: permitting, value analysis, document coordination and excellent customer service. Gabriele holds a Bachelor´s Degree in Civil Engineering and Master’s Degree in Architecture, both from Vilnius Gediminas Technical University.

gabriele[at]hmlprojects.lt +370 6242 3206

Jennifer Ojakovo

Project Manager

Jennifer has a rich background in Mechanical systems design and technical systems coordination in buildings. She has cumulative 7 years’ experience in design and project management. Her core duties include project planning, budgeting and cost control, risk identification and management, stakeholder management, client relations, contract management and 3rd party appointments. She is well versed with CAD design software and standard project management processes.

Jennifer holds a Project Management certification (PMP) by PMI and both Bachelor’s and Master’s degree in Mechanical engineering.

jennifer[at]hml.ee +372 5686 6885

Raul Hallap

Project Manager

Raul has HVAC engineer diploma from Tallinn Technical University. He has been working for 20 years in international businesses like leading building systems installation companies, a manufacturer company for modular solutions to big pharma and bioprocess clients across the world. Raul brings to HML modular construction, cleanrooms technology and GMP knowledge.

Raul speaks Estonian, English, Russian, Finnish and some Spanish.

raul[at]hml.ee +372 5647 5886

Linas Vilčinskas

Project Manager

Linas has 5 years of experience as Construction Engineer. He has been working on technical supervision of construction works as well as managed projects by local (Lithuanian) and by FIDIC contracts. Linas is experienced in managing private, governmental and EU Structural Funds projects. He has Bachelor’s degree of civil engineering and Master’s degree of building technologies from Vilnius Gediminas Technical University. Linas holds Technical Supervisor and Project Manager certificates and speaks Lithuanian and English. His tasks at HML Lituanian branch office involve managing and supervising projects in Lithuania, Central and Eastern Europe.

linas[at]hmlprojects.lt +370 613 96459

Janne-Eliise Kond


Janne-Eliise is an Architect at HML Tallinn office. She has graduated from Estonian Academy of Arts Interior Architecture Department and has over 2 years of international experience. She has worked on wide variety of projects including co-working hubs, corporate offices and healthcare facilities. Janne-Eliise is comfortable with most architecture programs, including Revit, Archicad, Sketchup and Rhino. She speaks Estonian, English and some Spanish and Russian.

janne[at]hml.ee +372 5690 6651

Igor Ikonnikov

Project Manager

Igor Ikonnikov is a Project Manager with experience in construction industry in different roles: Subcontractor, General Contractor to Client Representative. For this reason, Igor knows how to find common language with all parties in the construction process. He has been working for 12 years in construction businesses. Igor has a civil engineer diploma from TKK University of Applied Sciences and has participated continuously on different management and engineering trainings in Estonia. Igor speaks Estonian, English, Russian and Ukrainian.

igor[at]hml.ee +372 5682 7287