| Aug 2009 | Inspiration of the vision for New Leaven (from JPII's Christifideles Laici) |
| Oct 2009 | First draft stating the essential vision for New Leaven |
| Dec 2009 | Meeting with Bp. Daniel Flores Fr. John Riccardo and Dcn. Steve Mitchell on the vision |
| Jan 2010 | Fr. Riccardo urges Dcn. Bob Ervin and Paco Gavrilides to develop New Leaven |
| Feb 2010 | Fr. Riccardo raises funds to seed the initial development of New Leaven |
| Aug 2011 | Endorsement of New Leaven by Bishop Michael Byrnes |
| Fall 2011 | Recruitment/invitation of Pilot leaders from OLGC and Holy Family |
| Jan 2012 | Commencement of the New Leaven Pilot |
| Aug 2013 | Endorsement of New Leaven proposal to Our Sunday Visitor by Archbishop Vigneron |
| Dec 2013 | Conclusion of the New Leaven Pilot |
| Jan 2014 | Commencement of the New Leaven Assembly; first OSV Grant awarded |
| Jan 2015 | Continuance of the New Leaven Assembly second OSV Grant awarded |
| Apr 2015 | Commencement of Pilot Test of Modular New Leaven; first home groups begin at OLGC |
| Oct 2015 | Conclusion of the New Leaven Assembly |
| Nov 2015 | Conclusion of Pilot Test of Modular New Leaven |
| Dec 2016 | Completion of all video work on the original 29 teachings |
| Jan 2016 | Propagation of New Leaven to other parishes begins |