Our People

Rosemarie Guerin
PARTNER

FCPA CA B.Bus (Acctg) Dip. Law LLM (Exeter). Rose leads the firm’s management advisory division and services her own clients in Accounting, Taxation and Self Managed Superannuation Funds. She is involved extensively with estate and succession planning issues and takes a leading role in mentoring and counseling families to achieve financial goals, while importantly, maintaining family harmony. Rose is a board member for several audit and risk committees for various State Government Agencies and Not-for-Profit organizations.LOCATION: Potts Point Office

Scott Davis
PARTNER

Scott has over 20 years experience providing taxation and business advice to our clients. His focus is to support individuals and small business owners with many of his clients in the medical and professional services industry. Scott is a family man who enjoys spending time coaching his son’s soccer team and loves playing this sport himself.LOCATION: North Sydney Office

James Nahlous
BUSINESS SERVICES MANAGER

James is a numbers person that loves people. He is passionate about empowering people to make smart business decisions that will have a positive impact on their lives. One of his strengths is creating opportunities for people and businesses to work together for their mutual benefit. LOCATION: Potts Point Office

Sai Waran
BUSINESS MANAGER

Sai is a Chartered Accountant with Audit, Tax and Financial Controller experience. As the Business Manager, he utilises his experience in the Chartered and Commercial space to constantly improve RBG processes and upholds compliance practices.LOCATION: Potts Point Office

Karen Davis
SMSF ADMINISTRATION

Karen has spent the last 10 years providing administration support to clients with Self Managed Superannuation Funds. Her attention to detail and thorough approach is a valuable asset to our clients and team members. She enjoys spending time with family and friends, pilates and walks on the beach.LOCATION: North Sydney Office

Oksana Trahana
BUSINESS SERVICES AND TAX MANAGER

Oksana has worked in small to medium size chartered accounting practices. Most recently as a Business Advisor for In the Picture, an Auditor at Grant Thornton and in Business Services for Steven J Miller. Oksana has experience in accounts preparation, tax preparation, conduct of audit (medium to large corporates and Not-for-Profit), tax advisory services. And, loves reading, art collecting, history, music and travel.LOCATION: Potts Point Office

Nakao Thorn
SENIOR TAX & BUSINESS SERVICES ACCOUNTANT

Nakao has been a Senior Accountant for over 12 years. He is very adept with all aspects of Accounting, Individual and Company Taxation, Partnerships, Trusts and Self Managed Superannuation Funds. He is accomplished with MYOB, BGL, Xero and Solution 6 accounting software programs. He speaks English, Thai, Laotian, basic Vietnamese and he’s currently studying Spanish. Nakao is a proficient Argentinian Tango dancer, he enjoys cooking and loves travelling.LOCATION: Potts Point Office

Deddy Sutanto
BUSINESS ADVISORY

Deddy plays an active role in the Business Advisory team and supports clients in restructuring their businesses including setting up new companies, partnership, trusts and Self Managed Superannuation Funds. Deddy liaises with various professionals to organise legal, financing, insurances, banking, property and business valuations. He is also responsible in managing ASIC compliance for corporate clients including registrations with government authorities. He enjoys tennis, music and playing the keyboard.LOCATION: Potts Point Office

Wendy Tan
ANALYST

Wendy handles many of the BAS returns, tax returns and bookkeeping for our clients. She likes change as she thinks that this will make her more competitive. Wendy loves to catch up with friends and family and travels to Singapore once a year to celebrate the Lunar New Year with her family. In her free time, Wendy likes to sit on the sofa to do cross stitch.LOCATION: Potts Point Office

Kirill Netishinskiy
ANALYST

Kirill prepares the income tax returns and financial reports for our Individual clients, Partnerships and Trusts, Companies, and Self- Managed Superannuation Funds. He helps clients by doing scenario analysis to help minimise tax payable and ensures compliance with all relevant tax regulations. On weekends, he enjoys going scuba diving around Sydney.LOCATION: Potts Point Office

Pauline Oberli
EXECUTIVE ASSISTANT

Paulines flexible, dynamic and rigorous approach gives enormous support to Rose and the team at RBG. Pauline loves new challenges and is constantly looking for ways to benefit RBG and its clients. Pauline is from the french Part of Switzerland and enjoys camping trips, cooking, coffee and yoga.LOCATION: Potts Point Office

Marc Mamaclay
ASSISTANT ACCOUNTANT

Marc’s strong analytical skills provide great support to our Accountants. In his free time, Marc enjoys playing the guitar, watching independent films and gardening.LOCATION: Potts Point Office