He is a member of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition.
He is currently pursuing his third PhD at Universiti Pertahanan Nasional Malaysia (UPNM) in Doctor of Philosophy (Management & Administration Defense).
In addition, among the certificates obtained by him are from Harvard University where he studied China & Communism and Entrepreneurship in Emerging Economics.
Irmohizam has also studied at Harvard Business School where he attended the 10th ASEAN Senior Management Development Program.
He now owns his own law firm, Ganesan & Irmohizam Advocate & Solicitors where the firm oversees matters related to bankruptcy, debt recovery, business loans, rentals, hire purchase, housing financing, sale of goods, probate and administration.
He has also held lectures and training for law students at Universiti Teknologi MARA (UiTM) and was appointed as an examiner.
He was appointed as the Special Action Committee to Address Student Social Problems under the Ministry of Higher Education Malaysia (MOHE).
In 2020, he made history when the World Trade Centers Association (WTCA) named him as the chairman of the Asia Pacific Member Advisory Council (Conferences & Exhibitions).
In addition, he was also the former vice president and secretary-general of Gabungan Pelajar Melayu Semenanjung (GPMS), Commissioner of Scouts Headquarters, national member of the National Youth Consultative Council, deputy chairman of the Association of Alumni of SMEs, and panel member of the Consumer Education Consultant of the Federation of Malaysian Consumers Associations (FOMCA & CEUPACS & NCWO & MBM).