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Team Structure

Connie Guilfoyle

Managing Director

Connie Guilfoyle is the managing director of VACC Technical Limited and the pioneer head of the company since inception.


He has over 35 years experience in the Building and Construction industry. He began his career as an HVAC expert and over the years he has worked as an Engineer, Project Manager and General Manager, in some countries including Ireland, UK, Botswana, South Africa, New Zealand and Sub-Saharan Africa.


He holds the position of Honorary Consul for Ireland in Nigeria hence his involvement in the promotion of Irish Business within Nigeria. He is a co-founder and a director in ETIWA and Redleaf Solutions limited. Mr. Guilfoyle is an Alumnus of the College of Northwest London and Warwick University. He is also a member of both local and international professional bodies.

Ernesto Dotti

General Manager - Nigeria

Ernesto Dotti is the General manager of VACC Technical Limited (Nigeria) He is responsible for the day to day running of the company business, focusing on integrated project delivery and major accounts. He has 40 years of experience in managing various services and engineering activities in the Oil & Gas, Telecom and MEP sectors.


In this latter he has led major infrastructure and construction deployments in Nigeria (Abuja, Onne and various free zones) and in Qatar (eight stations of the Doha Red Line North Underground).


His technical experience is strengthened by exposure to doing business in various countries in Europe, Middle East, Africa and USA. Mr. Dotti is an Alumnus of the Worcester Polytechnic Institute, Massachusetts (USA) and jointly of IAE Nice (France) and UC at Berkeley (USA).

Akintomide Bamigboye

Commercial Director

Akintomide Bamigboye is the commercial director of VACC Technical Limited. He works with the leadership of VACC to develop and implement commercial strategies according to company goals and objectives. He is also responsible for the company’s visibility through networking and active promotion of the company’s services.


He has over 16 years’ experience in marketing, he started his profession as a Sales and Marketing Representative in a consulting firm. He has since then worked as an Operations Officer, Assistant Head of Contracts Department and commercial manager in the course of his career.


Mr. Bamigboye is an Alumnus of the University of Ado Ekiti and the University of Nottingham. He is also a member of the Nigerian Institute of Management.

Chahine Bou Rjeily

Head of Mechanical Department

Chahine Bou Rjeily is the head of mechanical department at VACC Technical Limited. He oversees all the mechanical works including, Heating Ventilation and Air conditioning (HVAC), Fire Fittings, Plumbing and Piped Services.


He has over 23 years’ experience in the Building and Construction industry. He began his career as a mechanical building services engineer in Beirut and has worked on various aspects of contracting business including value Engineering, coordination, design, management and execution of mechanical services contracts.


He is a member of some professional bodies including American Society of Heating, Refrigerating, and Air- Conditioning Engineers. Mr. Bou Rjeily is an Alumnus of the Lebanese University, Beirut.

Tolu Charles-Ekundayo

Head of Human Resources & Administration

Tolu Charles-Ekundayo is responsible for overseeing the Company’s HR systems, ensuring compliance with labour regulations, handling employee relations, end to end management of our group’s expatriate programs including expatriate relocation, adjustment and repatriation, while ensuring our policies align with national and global best practices that support our overall company goals.


She has over 12 years of experience in her line of work. Prior to her appointment as the Group Head of HR & Administration, she occupied the roles of Head of HR & Administration and Administrative Manager.


Mrs Tolu Charles Ekundayo is an Alumnus of Edge Hill University, Lancashire U.K and The Obafemi Awolowo University, Ile-Ife. She is a member of HR professional bodies and also certified Advanced Conflict Management.

Zeid Kobeissi

Head of Electrical Department

Zeid Kobeissi is the Head of Electrical Department at VACC Technical Limited with over 20 years’ experience. He oversees all electrical and extra low voltage works from design to installation and commissioning.


He began his career as an electrical building services engineer in the construction industry and has worked on various aspects of contracting business including coordination, design, management and, execution of electrical services contracts.


He is a member of United States Green Building Council (USGBC) and Leadership in Energy and Environmental Design (LEED) Green Associate. Mr. Kobessi is an Alumnus of the Oklahoma State University (OSU) in the USA and American University of Beirut (AUB).

John Ryan

General Manager - Ghana

John Ryan is the General Manager of VACC Technical Limited Ghana. John is responsible for all the day to day running of the company’s business in Ghana.


He has over 25 years’ experience within the Refrigeration/HVAC and Renewable Energy Sectors. He began his Career as a Refrigeration Technician, and during his career, he worked as a Wind Turbine Technician, marine Operations supervisor, Refrigeration Engineering Manager, HVAC Contracts Manager and General Manager.


His experience in various countries such as Ireland, United Kingdom, Norway, France, Morocco Denmark, Saudi Arabia and Nigeria supports his tenacity. John is a member of many professional bodies including the city and guilds London and he has attended various courses throughout his career.