Sonny Siemer
Townsville,QLD
Summary
Senior agribusiness professional with over 20 years of experience in livestock and pastoral operations. Expertise in cattle station management, livestock marketing, and leading teams in high-risk environments. Proven track record in managing budgets, KPIs, and stakeholder relationships across diverse pastoral enterprises. Strong skills in animal health, pasture management, and breeding program development drive operational efficiency and productivity.
Overview
30
30
years of professional experience
Work History
Livestock Manager
Elders Mortlake
01.2025 - 01.2026
- Managed commercial and stud livestock performance in a high-volume, high-performance livestock marketing environment.
- Oversaw Elders’ interests at WVLX Mortlake saleyards, the largest cattle selling facility in Victoria.
- Led livestock operations, team performance and client outcomes while contributing to broader branch performance.
- Served as President of the Agents Association, chairing monthly meetings and AGMs and working through multi-agency stakeholder matters.
- Operated through drought conditions and record cattle numbers, including periods of capped monthly sales.
Branch Manager and Territory Sales Manager
Elders Mount Isa
05.2015 - 01.2024
- Led branch and territory operations across livestock, merchandise and agribusiness services, with accountability for budgets, P&L, KPIs and account profitability.
- Developed branch budgets with area management, providing detailed operational and commercial input before final sign-off.
- Integrated livestock marketing, finance and merchandise services to strengthen client outcomes and branch performance.
- Managed account administration including debtors, credit limits, new account applications and commercial risk.
- Built and led a branch team while predominantly managing the livestock business directly.
- Maintained corporate governance, HR, OHS/WHS and safety standards, including legislative and litigation matters.
- Recruited, trained and developed staff and managed performance, retention and terminations.
Leading Hand and Site Supervisor
Hutchinson Builders Civil / York Civil
01.2011 - 01.2015
- Supervised production and site activities across mining construction projects valued at approximately $10–50 million in the Bowen Basin.
- Led workforces of up to approximately 50 employees and coordinated crews, production, safety, compliance and due diligence in high-risk mine environments.
- Managed civil earthworks and infrastructure delivery against operational, safety and project requirements.
Self-Employed Contractor
Agricultural Construction and Mustering Services
01.2009 - 01.2011
- Provided agricultural construction, mustering and practical station support services across pastoral operations.
Station Manager
RMP Pastoral / AACo / Great Southern Cattle Managers
01.2004 - 01.2009
- Managed large-scale pastoral properties and agistment operations including Mogila, Noondoo, Euligal, Kallali and Chudleigh Park.
- Managed Chudleigh Park, approximately 430,000 acres with around 26,000 branded cattle, as part of the livestock management investment scheme.
- Contributed to development and operation of the livestock management investment scheme, including MIS compliance and property performance requirements.
- Managed daily station operations, recruitment, staffing, livestock programs, budgets and operational expenditure, with budget oversight and sign-off processes involving senior management.
- Managed cattle counts and livestock accountability for muster and property handovers, alongside NLIS/EID recording and performance data.
- Led stockmanship, husbandry, weaner education, transport logistics, drought feeding and large-scale droving operations.
- Managed property maintenance, plant and equipment, infrastructure development and capital works.
Overseer
Billa Kalina and Miller's Creek Stations
Roxby Downs, SA
01.2003 - 09.2004
- Coordinated and supervised daily operations on both stations covering 9000 square kms, 4500 head of cattle and 10000 sheep.
Contractor
Nocatunga, Alton Downs, Cameron Downs, Naryilco, Innaminka, Pandi, Clifton Hills, Epsilon Stations
01.2001 - 12.2002
- Contract mustering, yard building, fencing.
Head Stockman/Contractor
Quinyambie Station - Kidman
01.1996 - 12.2000
- All aspects of station work covering 3 million acres and running a camp of 6-8 ringers.
Education
Diploma of Property and Agency Management -
Certificate IV in Real Estate Practice -
Skills
- Agribusiness leadership
- Budget management
- Profit and loss analysis
- KPI's
- Livestock marketing strategies
- Procurement processes
- Stud management
- Large-scale cattle station oversight
- Livestock performance metrics
- Operational planning and execution
- Recruitment strategies
- Workforce leadership development
- Coaching and mentoring
- Performance management systems
- Employee retention strategies
- Workplace health and safety compliance
- Corporate governance practices
- Regulatory compliance and due diligence
- Asset management strategies
- Infrastructure development projects
- Civil earthworks management
- Capital works delivery
Computer And Software Experience
- Outlook
- Google Workspace
- Microsoft Office
- Excel
- Adobe Acrobat
- Mac
- MySales
- Workday
- SalesPlus
Additional Relevance
Additional experience includes sheep, wool and farming operations. Broad practical exposure across pastoral production, livestock agency, agribusiness services, civil construction and rural property supports a commercially focused and adaptable leadership approach.
Licences And Qualifications
- Diploma of Property and Agency Management
- Principal Licence registered with the Office of Fair Trading (OFT)
- Certificate IV in Real Estate Practice
- Motor Vehicle Dealer Licence registered with the OFT
- Chattels / Asset Sales Authority Licence registered with the OFT
Core Capabilities
- Agribusiness branch leadership, budgeting, P&L, KPIs and account profitability
- Livestock marketing, procurement, saleyards, stud, commercial and online platforms
- Large-scale cattle station management, livestock performance and operational planning
- Recruitment, workforce leadership, coaching, performance management and retention
- WHS/OHS, corporate governance, compliance and due diligence in high-risk environments
- Rural and commercial real estate, merchandise, finance and insurance integration
- Asset management, infrastructure, civil earthworks and capital works delivery
Timeline
Livestock Manager
Elders Mortlake
01.2025 - 01.2026
Branch Manager and Territory Sales Manager
Elders Mount Isa
05.2015 - 01.2024
Leading Hand and Site Supervisor
Hutchinson Builders Civil / York Civil
01.2011 - 01.2015
Self-Employed Contractor
Agricultural Construction and Mustering Services
01.2009 - 01.2011
Station Manager
RMP Pastoral / AACo / Great Southern Cattle Managers
01.2004 - 01.2009
Overseer
Billa Kalina and Miller's Creek Stations
01.2003 - 09.2004
Contractor
Nocatunga, Alton Downs, Cameron Downs, Naryilco, Innaminka, Pandi, Clifton Hills, Epsilon Stations
01.2001 - 12.2002
Head Stockman/Contractor
Quinyambie Station - Kidman
01.1996 - 12.2000