Areas of Expertise

  • US resident and expatriate taxation
  • US nonresident taxation
  • International organization taxation
  • Gift, trust and estate taxation
  • Tax research and advisory


  • MS, Taxation, University of Albany
  • BS, Accounting, University of Albany

Languages Spoken

  • English

Christina Kosier

Tax Senior

Christina is a Tax Senior at The Wolf Group, with more than 15 years of experience in the Financial Services industry. At The Wolf Group, she provides specialized tax services to clients with international concerns, including expatriates, inpatriates, and high-net-worth individuals with global assets, as well as international organization employees and retirees.

In this capacity, Christina assists US citizens, green card holders, foreign nationals, and US businesses with their income tax matters. She also prepares amended tax returns under IRS Amnesty programs, such as the IRS Streamlined Foreign and Domestic Filing Procedures.

Before joining The Wolf Group, Christina worked for 8 years as a tax professional at a small accounting firm, where she was responsible for preparing a wide range of tax returns including individuals, businesses, gifts, trusts, estates, and not-for-profits. She also spent 5 years in the Gift, Trust, and Estate division of a large wealth management firm.

Outside of work, Christina enjoys hiking, kayaking, improvising in the kitchen, wandering museums, discovering old bookstores, and spending quality time with her family.