Mike Jeffery serves as the Director at Sierra Legal, where he applies his extensive expertise in mergers and acquisitions, corporate transactions, and complex commercial arrangements. With a keen interest in technology-driven enterprises, Mike leverages his background in both law and computer science to offer clients a unique and practical perspective. His dual capability in legal counsel and software development sets him apart, enabling him to provide insightful advice to clients involved in building, buying, or scaling technology products. Mike's journey into the legal world began with aspirations of becoming an investment banker, which shifted after completing a Bachelor of Business and a Bachelor of Laws. His passion for the dynamic realm of corporate law became evident during his early years with a corporate law firm, where he found the ever-evolving nature of the field engaging. This path led him to embrace not just traditional legal roles, but also technological innovation in legal service delivery. Beyond his legal practice, Mike has contributed significantly to Sierra Legal's innovative approach, including the development of Arreis Automation, a new legal technology division. This venture reflects Sierra Legal's commitment to combining top-tier legal advice with cutting-edge technological solutions, enhancing efficiency and practicality for clients. Mike's international perspective, shaped by his upbringing in Jakarta, complements his understanding of complex corporate and commercial transactions. Although he commenced his career in Melbourne, his roots brought him back to Brisbane, allowing him to maintain a balanced life dedicated to both family and professional pursuits. In his leisure time, Mike enjoys camping and exploring the picturesque beaches of South-east Queensland and Northern NSW with his family. Mike's career has spanned roles at Hawksburn Capital & Advisory, McCullough Robertson, and K&L Gates, further enriching his capability to provide strategic and decisive legal guidance. His ongoing pursuit of a Bachelor of Computer Science underscores his commitment to bridging the gap between technology and law, continually enhancing the service he offers to his clients.
Principal
Hawksburn Capital & Advisory
Feb 2011 - Jun 2018 • 7 years 4 months
Director
Sierra Legal
Feb 2011 - Present • 15 years 9 months
Lawyer
McCullough Robertson
Apr 2010 - Feb 2011 • 10 months
Paralegal, Articled Clerk and Lawyer
K&L Gates (then known as Middletons)
Jun 2005 - Apr 2010 • 4 years 10 months
Bachelor of Computer Science
The University of Queensland
2021
Bachelor of Laws - LLB
QUT (Queensland University of Technology)
2001 - 2006
Bachelor of Business, International Business
QUT (Queensland University of Technology)
2001 - 2006
Last checked: 31 Mar 2026 • Checked with Queensland Law Society
