Waukesha-based First Federal Bank of Wisconsin promoted Lukas Kreger to CFO..Kreger joined the bank last year as senior vice president of finance. Before joining the bank he was part of the audit practice at Deloitte. A CPA, Kreger has a Bachelor of Business Administration and a Master of Science in accounting from the University of Wisconsin-Milwaukee. “In a short time, he has established himself as a trusted leader within our organization,” said First Federal Bank of Wisconsin President and CEO Steve Wierschem. “His depth of financial expertise and strategic perspective continue to strengthen our organization, and I am confident he will play a critical role as we profitably grow.”