• The ABC of Genealogy - genealogical seminar - Grudziadz, Nov 2007
• Prof. Jonathan Shea's lecture - Krakow, May 2008
• Friends from the USA in Krakow - Aug 2008
• A lecture presented on a genealogical conference - New Britain, Aug 2009
• The lecture at the PGSCTNE general meeting in New Britain CT, USA – April 2011
• The lectures at the NERGC genealogical conference in Springfield MA, USA – April 2011
• Ellis Island - April 2011
• Washington, Alexandria - April 2011
• Len Goodman's Polish roots and his connections to the Grudziadz citadel Oct.2011
• The lecture at the Grudziadz Rotary club, January 2012.