Our Team

Rosemarie Guerin, FCPA CA

B.Bus (Acctg) Dip. Law LLM (Exeter)

Rose leads the firm’s management advisory division as well as servicing her own accountancy and taxation clients. Rose has chosen not to be a financial adviser, believing that this enables her to provide completely independent advice free from any form of conflict.

A special area of interest to Rose is in the establishment and running of Self Managed Superannuation Funds, including the provision of taxation advice in this area.

Another facet to Rose is her trusted adviser role to families. Here she is involved extensively with estate and succession planning issues and takes a leading role in mentoring and counseling families. Rose takes on a confidante role to these families, working with the family members 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 is also a trusted board member on various Not-for-Profit organizations.

Rose has a Bachelor of Business Degree, as well as a Diploma in Law and a Masters Degree in International Business Law, with a specialization in international taxation. Rose is also a member of the following professional accounting bodies:

  • Member of Chartered Accountants Australia and New Zealand
  • Fellow of CPA Australia.
  • Registered Tax Agent.

James Nahlous

Business Services Manager

Jasmina completed her Bachelor of Business (Accounting) degree at the Swinburne University of Technology in Melbourne. Upon graduation moved to Sydney to start her family and career.

Jasmina began her career over 26 years ago working in a Chartered Accountant’s office. Proficient in all aspects of tax compliance and experienced in Audits, mainly not-for-profit Arts organisations.

Has now shifted focus to practice management utilising the tax experience from her previous position as Senior Accountant.

Loves her new cat Mazie. Has grandchildren to teach. Would love to find time to complete writing her book.

Oksana Trahana

Business Services and Tax Manager

From 1999 and up to date, Oksana was working in small to medium size chartered accounting practices. She worked for In the Picture Pty Ltd for 5 years (Business Advisory), Grant Thornton Australian for 1.5 years (Audit) and Steven J Miller for 4 years in a senior position (Business Services).

Oksana has experience in accounts preparation, tax preparation, conduct of audit (medium to large corporate and non for profit), tax advisory services.

Loves reading, art collecting, history, music and travel.

Jasmina Young

Practice Manager

Jasmina completed her Bachelor of Business (Accounting) degree at the Swinburne University of Technology in Melbourne. Upon graduation moved to Sydney to start her family and career.

Jasmina began her career over 26 years ago working in a Chartered Accountant’s office. Proficient in all aspects of tax compliance and experienced in Audits, mainly not-for-profit Arts organisations.

Has now shifted focus to practice management utilising the tax experience from her previous position as Senior Accountant.

Loves her new cat Mazie. Has grandchildren to teach. Would love to find time to complete writing her book.

Nakao Thorn

Senior Tax & Business Services Accountant

Nakao has been working in public accounting firms as 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.

Deddy Sutanto

Business Advisory

Deddy has been working in a public Chartered Accountant’s firm for over 7 years. He currently plays an active role in the Business Advisory team. He supports many clients in restructuring their businesses including setting up new companies, partnership, trusts and SMSF.

Deddy liaises with barristers and lawyers to prepare various legal agreements and documents and liaises with other professionals to organise financing, insurances, banking, property and business valuation. He is also responsible in managing ASIC compliance for corporate clients including registrations with various government authorities.

Deddy began his career in accounting over 15 years ago in medium-size commercial businesses in legal and telecommunication industries. He has large experience in various aspects of accounting, financial and management reporting.

He is accomplished in MYOB, Xero, Flowchart and Corporate Compliance software packages.

Deddy completed a Master of Business Administration in Professional Accounting and a Graduate in Corporate Finance and Funds Management at the University of Technology Sydney. He also completed a Bachelor of Architecture, University of Indonesia

Deddy speaks English and Indonesian fluently. He is currently studying Korean language and culture.

He is a proficient tennis player and regularly joins competitions held across Sydney. He enjoys music and plays keyboard.

Wendy Tan

Analyst

Wendy completed her Bachelor and Master of Commerce from the University of New England in Armidale, a University country town in the Northern Tablelands in New South Wales.

She later relocates down to Sydney as there is more opportunities in work relating to the course that she has taken.

Wendy loves changes as she thinks that changes will make her more competitive. Especially having originated from Singapore, going to a quiet country side to study and back into the busy Sydney city to work.

Wendy handles most of the BAS returns, tax returns and bookkeeping for clients and have been introduced to basic preparation of BAS, tax returns and bookkeeping prior to joining RBG Private.

Wendy loves to catch up with friends and family and will return to Singapore once a year to celebrate the Lunar New Year with her family in Singapore.

During quiet time, Wendy loves to sit on the sofa doing her cross stitching which she can do that for several hours.

Kirill Netishinskiy

Analyst

Kirill completed his Maters of Professional accounting degree in 2016. Right after the graduation, he started working at Rose Guerin Chartered Accountants as a graduate but quickly progressed to the analyst position. Kirill has also successfully completed Chartered Accountants program. His favourite area is SMSF, however, he is keen to learn all aspects of taxation.

On weekend, he goes scuba diving around Sydney.

Pauline Oberli

Executive Assistant

Executive Assistant to Rose Guerin

After her University’s Degree, Pauline started her career in a Bank as Events and Sponsorship Manager. Then she completed her qualification with a Diploma of Communication’s Specialist which lead her to an Advertising Agency as Account Manager.

Pauline is from the French Part of Switzerland and arrived in Australia in July 2018 with her partner who is doing a Phd Thesis at the University of Sydney.

Loves enjoying the camping trips during the week end, cooking, coffee and yoga.