Bryan Christiansen is the Chief Executive Officer of Tactical Systems, LLC in Indiana, USA. A former business lecturer at universities in Russia, Turkey, and the USA, he has traveled to 41 countries where he has conducted international business since 1985 in multiple languages and various industries with Global 500 firms and smaller. Christiansen received his Bachelor of Science degree in Marketing at the University of the State of New York in 1996 and his MBA degree at Capella University in 2003. The author of 29 Scopus-indexed Reference books on business, cultural studies, economics, and psychology, he is fluent in Chinese, Japanese, Spanish, and Turkish. Christiansen is currently working with a Russian theoretical mathematician on a new economic model for developing nations.
Tihana Škrinjarić, PhD, is employed as an assistant professor at the Department of Mathematics at the Faculty of Economics and Business of the University of Zagreb. Her research areas are risk management, econometrics and financial economics, with special focus on regime switching methodology and portfolio management. She has published more than 80 publications in the abovementioned research areas; she has participated at dozen of international conferences on econometrics and operational research. Tihana has been a member of the Croatian Operational Research Society and the Croatian Statistical Association.