As founder and Managing Director, Seamus is a dynamic leader who inspires passion and innovation in the Castle Group team and earns the trust of industry partners and clients. Under his stewardship, Castle Group has flourished, expanding to over 350 skilled professionals with an annual turnover exceeding €55M. Starting as a skilled tradesman, Seamus’s entrepreneurial spirit recognised the emergence of a new era of construction – one that embraced efficiency, sustainability, and modular methodologies. He founded the Castle Group in 1999 and continues to pioneer excellence, expand operations, and ensure that Castle’s core values of trust, integrity, and partnership remain central drivers for delivering top-quality products and services.

Pat brings a wealth of seasoned expertise to the team. With a diploma in Construction Management, a Degree in Quantity Surveying, and a Master’s in Project Management from Salford University, his educational background underscores his commitment to excellence. Since joining Castle Group in 2011, Pat has been instrumental in expanding the QS team and driving the company’s growth. Known for his leadership, professionalism, and collaborative spirit, Pat is dedicated to integrating innovative practices and industry trends. Outside work, he enjoys playing the guitar, sketching, and reading.

Eoin, with an honours degree in Engineering from NUIG, started his career with a Tier 1 contractor in Ireland before moving to the UAE, leading large-scale projects. He joined Castle Group in 2020, drawn by its entrepreneurial spirit. As leader of the modular business, Eoin has been key to its success, fostering a strong team and driving exemplary innovation. Outside of work, he enjoys sailing, cycling, and outdoor activities, embodying Theodore Roosevelt’s belief: “Believe you can and you’re halfway there!”

As Head of Internal Communications at Castle Group, Aoife brings over 20 years of global HR experience across industries like construction, technology, healthcare, finance, and pharmaceutical. She has worked with leading brands such as Diageo, VHI, Novartis, and Allianz. Aoife holds a Master of Science in Marketing & Communications and specialises in employee engagement, employer branding, and communications. She is passionate about fostering innovation and enhancing employee experiences.

Mark is a qualified carpenter joiner with over 20 years of experience. After earning a Bachelor’s Degree in Materials and Architectural Technology in 2009, he ran his own carpentry business focusing on bespoke houses and commercial developments. Joining Castle Group in 2016, Mark now manages the Castle Group Academy, providing NVQ City and Guild qualifications and bespoke training in dry lining detailing. Outside of work, he enjoys cycling and open-water swimming, reflecting his proactive and adventurous spirit.

Lisa graduated in business from GMIT and joined Castle Group in 2020, bringing over 20 years of retail industry experience. Seeking a new challenge during the pandemic, she transitioned seamlessly into her payroll role at Castle, thanks to the inclusive environment. Lisa values the opportunities for growth and the emphasis on promoting from within. She has enhanced her payroll skills through various courses, thriving in the collaborative culture. Outside work, Lisa enjoys walking and hiking with her Alsatian, Lexie.

Stephen has over three decades of industry experience. His career began in England in 1986 before returning to Ireland, inspired by his family’s construction legacy. Joining Castle Group over 15 years ago, he has been integral to high-profile projects, including the renowned Center Parcs. Stephen’s leadership emphasises mentorship ensuring everyone is equipped to excel in their roles. Outside of work, he enjoys sports, walking, and sightseeing, balancing his professional and personal interests.

With a background in business and a proven track record of success, Sinead brings dynamic leadership and exceptional customer focus to her role as Procurement Manager at Castle Group. Her experience with international brands like GUCCI and AkzoNobel informs her strategic approach. At Castle Group, she thrives in the fast-paced, entrepreneurial environment, overseeing significant projects like rapid build housing. Outside of work, Sinead enjoys art, theatre, history, economics, cooking, and family time.

Armed with a Bachelor of Science in Environmental Health and Safety from NUIG, Mia’s career began with an internship at Regeneron in Limerick, and she has since thrived in Castle Group’s team-based culture. Mia’s proudest accomplishment is her role in the Eli Lilly project, where she ensured rigorous health and safety standards. Outside of work, she enjoys outdoor sports and wellbeing activities.

David began his career after completing Construction Management at ATU and later diversifying his background with a Level 6 qualification in Sports and Recreation. His passion for the life sciences industry was sparked by personal experiences that deepened his interest in medical devices and innovation. His career trajectory from technician to executive leadership in the medical and pharmaceutical manufacturing sectors at STERIS and Eurofins reflects his capability and determination. He excels in developing and executing solid business strategies and building high-performance teams. David’s leadership philosophy focuses on empathy, honesty, and collaboration, to drive growth. Outside of work, David mentors’ soccer teams, reflecting his commitment to community development.