From December 2011 to June 2012, Takizawa was signed to WWE, working in its developmental territory Florida Championship Wrestling under the ring name Jiro.

Takizawa made his professional wrestling debut for Kaientai Dojo on January 7, 2006 where he teamed with Hiro Tonai and Randy Takuya and lost to Chushin Fujisawa, Kaji Yamato and TAKU Michinoku.

[5] A week later Takizawa teamed up with Apple Miyuki to participate in K-DOJO Tag League '07 GET Block but were eliminated by Kunio Toshima & PSYCHO in the first round.

[5] On January 3, 2008 Takizawa started the year with a loss when he was defeated by Omega (Makoto Oishi, MIYAWAKI, Shiori Asahi and Yuji Hino) and Naoki Tanizaki with KAZMA, Kunio Toshima, Mr. X and PSYCHO.

[5] Takizawa participated in KAIENTAI DOJO Tag League 2008 and teamed with KAZMA and lost to Boso Boy Raito and Kaji Yamato in the first round.

[6] With their test completed they participated in KAIENTAI DOJO Tag League 2009 in block A and won both their matches and therefore reaching the finals and defeated Omega (Saburo Inematsu & Yuji Hino).

[8] Takizawa and Tomato participated in KAIENTAI DOJO Tag League 2011 and reached the finals of the tournament before being eliminated by Kengo Mashimo & Ryuichi Sekine.

Takizawa and Tomato would participate in a one-day tournament where the winners would become the number one contenders for the IWGP Junior Heavyweight Tag Team Championship, the pair got to the final and were eliminated by Little Galaxy (Makoto Oishi and Shiori Asahi).

[8] Takizawa, Tomato and Marines Mask II participated in Chiba Six Man Tag Team Championship one day first champion decision tournament where, once again, Silence lost to Little Galaxy (Hiro Tonai, Shiori Asahi and Yuki Sato).

[8] After signing a developmental contract with WWE, Takizawa, working under the ring name Jiro, made his Florida Championship Wrestling (FCW) television debut on December 5, 2011, alongside fellow K-Dojo alum Sakamoto in a loss against the team of Big E Langston and Nick Rogers.

[16] On February 24, 2013, Takizawa and Akito won the 2013 Bo-So Golden Tag Tournament, defeating the team of Kengo Mashimo and Ryuichi Sekine in the finals.

[26] Takizawa participated in Pro Wrestling Noah's 2011 NTV G+ Cup Junior Heavyweight Tag League and was placed in block A and pair with Zack Sabre Jr.