She graduated from Hello! Project on March 3, 2015 in a joint graduation concert with the other members of Berryz Koubou. Afterwards, Shimizu became a Hello! Project advisor and has been primarily involved in Hello Pro Kenshuusei rehearsals.
Shimizu Saki was born on November 22, 1991 in Kanagawa, Japan.
On June 30, Shimizu successfully passed the Hello! Project Kids Audition along with 14 other girls. She was the captain of Berryz Koubou. Being a member of Berryz Koubou, she also participated in the band's weekly radio show Berryz Koubou Kiritsu! Rei! Chakuseki!.
Shimizu was chosen to join the group ZYX, which consisted of five Hello! Project Kids and Yaguchi Mari, who acted as a mentor. They released two singles: Iku ZYX! FLY HIGH and Shiroi TOKYO. They remained active until 2004, when Shimizu and Tsugunaga Momoko were selected to become members of Berryz Koubou.
On December 31, Shimizu took the stage at the 57th edition of Kouhaku Uta Gassen as a backup dancer in Morning Musume's performance of Aruiteru, along with the remaining members of Berryz Koubou, Country Musume and ℃-ute.
Tsunku, the producer of Hello! Project, went to South Korea to announce that he intended to hold auditions. A few from Hello! Project accompanied him there, including Shimizu, Takahashi Ai, Niigaki Risa, Tanaka Reina, Linlin, and Yajima Maimi.
On July 25, it was announced that Shimizu and other Hello! Project Kids members would be performing in a stage play titled CAT'S♥EYE, based on a manga. She also became a member of the group Cat's♥Eye 7 to promote the musical. The stage play ran from September 22 to September 30.
On November 21, Shimizu celebrated her 22th birthday. The special event was called Shimizu Saki Birthday Event ~ 22nd Anniversary ~, the event featured two performances in Tokyo.
On November 21, Shimizu celebrated her 23th birthday. The special event was called Berryz Kobo ~Shimizu Saki Birthday Event 2014~, the event featured two performances in Tokyo.
On March 3, Shimizu along with the rest of the Berryz Koubou members graduated from the group and Hello Project! at a final concert at Nippon Budokan. After graduating, Shimizu became a staff member and was appointed as a Hello! Project advisor along with Tokunaga Chinami. Shimizu has been mostly involved in rehearsals for Hello Pro Kenshuusei recitals and examinations.
On May 4, Shimizu was a special guest at Hello Pro Kenshuusei Happyoukai 2015 ~Haru no Koukai Jitsuryoku Shindan Test~.
On September 4, Shimizu was a guest at Hello! Project Kenshuusei Happyoukai 2016 9gatsu ~SINGING!~ to announce Tsubaki Factory's major debut in January 2017.
Shimizu celebrated her 26th birthday at a fanclub event, titled Shimizu Saki FC Event ~SHIMIZU SAKI 26kaime no B-B-B-Birthday Party!!!~, with two shows on November 24 at Pacific Heaven.
On March 3 and 4, Shimizu held the Shimizu Saki Casual Dinner Show ~Hinamatsuri 2018・Kinen Subeki Kono Hi ni 1ri de Dinner Show Shichaimasu~ at Music Restaurant La Donna to celebrate Hinamatsuri.
On September 23, she held the Shimizu Saki Casual Dinner Show Hello Pro 20 Shuunen Kinen Subeki Kono Nen ni 1ri de Dinner Show Shichaimasu at Music Restaurant La Donna to celebrate Hello! Project's 20th anniversary.
On December 2, she appeared as a guest in the Kumai Yurina Casual Dinner Show 2018 ~Heisei Saigo no ENJOY! Kumasumas~.
On December 9, she held the Shimizu Saki FC Event ~SHIMIZU SAKI Choppiri Hayai Christmas!?~ at Pacific Heaven.
On March 2 and 3, she held the Shimizu Saki Casual Dinner Show ~Heisei Saigo no Hinamatsuri, Kotoshi mo Kinen Subeki Kono Hi ni 1ri de Dinner Show Shichaimasu~ at Music Restaurant La Donna.
On November 30, she celebrated her 28th birthday at a fanclub event titled Shimizu Saki FC Event ~Reiwa Hajimete no Happy Birthday!~, featuring three shows at Pacific Heaven.
On March 24, it was announced that her fanclub event with Sudo Maasa and Kumai Yurina titled Shimizu Saki・Sudo Maasa・Kumai Yurina FC Event "Futsuu, Kono Hi Nashi de wa Yatterannai Desho!?", which was originally scheduled for March 3, would be postponed to May 26 in consideration of a new policy established by the government to prevent the spread of the coronavirus.
On April 14, it was announced that Shimizu Saki・Sudo Maasa・Kumai Yurina FC Event "Futsuu, Kono Hi Nashi de wa Yatterannai Desho!?" would be cancelled entirely due to the government's declaration of emergency following the spread of the coronavirus getting worse.
On July 13, it was announced that she would be one of several current and former Hello! Project members starring in a new horror television drama based on the book, Hobonichi no Kaidan. The drama will begin airing on the dTV Channel's Hikari TV Channel+ on August 23 at 19:00 JST, and repeat airings will begin airing on TV Kanagawa on August 26 at 23:00 JST.
On August 6, it was announced that her previously cancelled dinner show set to be held back in March was rescheduled for August 30. In compliance with government policy to prevent the spread of the coronavirus, cheering, crowding, standing, and closeness in the venue were prohibited, and wearing masks was required to enter.
She has an older brother.
Shimizu also has a pet dog named Kurumi.
Here is a list of nicknames that was used to refer to Shimizu Saki:
- Captain (キャプテン): Official nickname, given her since joining Berryz Koubou. Used by members and fans.
- Saki-chan (佐紀ちゃん): Second official nickname, given her since joining Berryz Koubou. Used by members and fans.
- Name: Shimizu Saki (清水佐紀)
- Birthdate: November 22, 1991
- Nickname: Captain (キャプテン), Saki-chan (佐紀ちゃん), Shimi-chan (しみちゃん), Sakitan (さきたん), Saki (さき), Cap (キャプ), Shimi-Ham (しみハム)
- Blood Type: O
- Birthplace: Zama, Kanagawa, Japan
- Origin: Tokyo, Japan
- Height: 152cm (5'0")
- Western Zodiac: Scorpio
- Eastern Zodiac: Goat
- Official Kaomoji: 川´・_・ﾘ
- Hello! Project Status:
- 2002-06-30: Member
- 2004-01-14: Berryz Koubou Member
- 2015-03-03: Graduated
- UP-FRONT GROUP Status:
- Years in Berryz Koubou: 11 Years
- Berryz Koubou Color:
- Yellow (2005-2006, 2009-2015)
- Green (2007)
- Purple (2007-2008)
- Cat's♥Eye 7 Color: Deep Pink (2012)
- Hello! Project Groups:
- Shuffle Units:
- Concert Units:
- Other Groups:
- Favorite Brand/Designer: MARY QUANT, GARCIA MARQUEZ, Samantha Vega
- Favorite English Word: "WANT!"
- Favorite Colors: Yellow, White, Dark Pink, Light Blue.
- Favorite Animal: Her dog named "Kurumi".
- Favorite Flower: Cherry Blossom
- Specialty: Dance
- Strong Points: Cheerful, Trying to think of other's feelings, Trying to be positive.
- Weak Points: Easily change the opinion of others.
- Favorite Subject: Mathematics (for now)
- Favorite Song in the Past: "White Love" by SPEED, "Nagai Aida" by kiroro, "Orange" by SMAP
- Current Favorite Song: "Kiss" by Juliet, "FANTASTIC BABY" by BIG BANG, "Rainy Blue" by Shimizu Shota (Tokunaga Hideaki cover).
- Hello! Project Daihyakka (2004) Details
- Hobby: Collecting stickers
- Special skill: Crossing my eyes, sending quick e-mails, dancing.
- Strong point: Laughing frequently
- Weak point: Bad at waking up
- Habit: I start dancing when I see a mirror
- Favorite color: Pink, light blue
- Favorite flower: Sunflower
- Disliked thing/thing to do: Monsters, running, bugs, vegetables.
- Scared of: Monsters, bugs
- Favorite Brand/Designer: MARY QUANT, GARCIA MARQUEZ, Samantha Vega
- Favorite movie: "One Piece"
- Favorite book: "Atanshinchi" (manga)
- Favorite word: "Doryoku" (effort)
- Favorite season: Winter. I'm sensitive to heat, so I like winter better.
- Favorite food: Ice-cream, yakiniku, mom's miso soup (pork miso)
- Least favorite food: Vegetables, eel
- Favorite song: "Ganbacchae!" (Morning Musume) and "Sekai ni Hitotsu Dake no Hana" (SMAP)
- Charm point: Eyelashes
- [2010.01] Nation Junior Magazine (Thailand)
- 1. What are your goals?:
- To be number one on the charts.
- 2. Where do you see yourself in 50 years?:
- I'll be a happy and healthy 68-years-old.
- [2010.11.xx] Berryz Days 2 (with Tokunaga Chinami & Kumai Yurina)
- [2014.03.27] Shimizu Saki Birthday Event ~22nd Anniversary
- [2015.02.28] Berryz Koubou DVD Magazine Vol.41 (with Natsuyaki Miyabi)
- [2015.02.28] Berryz Koubou DVD Magazine Vol.41 (with Sugaya Risako)
- [2015.06.xx] Hello! Project Station Archives Vol.1 Shimizu Saki & Yajima Maimi Talk 2002-2008 (with Yajima Maimi)
- [2015.06.xx] Hello! Project Station Archives Vol.2 Shimizu Saki & Yajima Maimi Talk 2009-2015 (with Yajima Maimi)
- [2011.01.12] Shimizu Saki
-  Koinu Dan no Monogatari (仔犬ダンの物語) (as Nomura Chika)
-  Promise Land ~Clovers no Daibouken~ (Promise Land ~クローバーズの大冒険~)
-  Futari wa Pretty Cure Max Heart 2 Yukizora no Tomodachi (ふたりはプリキュアマックスハート2 雪空のともだち)
-  Ousama Game (王様ゲーム) (as Matsumoto Masami)
- [2002–2007] Hello! Morning (ハロー! モーニング)
- [2007–2008] Haromoni@ (ハロモニ@)
-  Berikyuu! (ベリキュー!)
- [2008–2009] Yorosen! (よろセン!)
-  Bijo Houdan (美女放談) (2 episodes)
- [2010–2011] Bijo Gaku (美女学)
- [2011–2012] Hello Pro! TIME (ハロプロ！ＴＩＭＥ)
- [2011–2013] Kaette Kita Berryz Kamen! (帰ってきたBerryz仮面!)
- [2012–2013] Hello! SATOYAMA Life (ハロー！ＳＡＴＯＹＡＭＡライフ)
- [2014–2018] The Girls Live
-  Inazuma Eleven (イナズマイレブン) (voice of Hori Michiko)
-  Michishige Sayumi no "Mobekimasutte Nani??" (道重さゆみの『モベキマスってなに？？』)
- [2013–2015] Hello! Project Station
- [2014–2015] MUSIC+
- [2015–2016] GREEN ROOM
- [2016–] Upcoming
- [2016–2017] Girls Night Out
- [2017–] tiny tiny
-  Hello Pro Dance Gakuen Season 3
- [2004–2009] Berryz Koubou Kiritsu! Rei! Chakuseki! (Berryz工房 起立! 礼! 着席!)
- [2009–2012] Berryz Koubou Beritsuu! (Berryz工房 べりつぅ!)
-  Edo Kara Chakushin!? ~Timeslip to Kengai!~ (江戸から着信!? 〜タイムスリップto圏外!〜)
-  Reverse! ~ Watashi no Karada Doko Desu ka? (リバース! 〜私の体どこですか?)
-  Berryz Koubou VS Berryz Koubou (Berryz工房 VS Berryz工房)
-  Thank You Very Berry (サンク ユー ベリー ベリー)
-  Sanokuen Shoujo (三億円少女)
-  Real-etude Minna no Ie Girl's STAGE (リアルエチュード みんなの家 Girl's STAGE)
-  Taishou Roman Haikara Tantei Aoi Ruby Satsujinjiken (大正浪漫ハイカラ探偵王青いルビー殺人事件)
-  Sengoku Jieitai
-  Joshi Rakugo (女子落語)
-  CAT'S♥EYE (キャッツ♥アイ)
-  Akasaka Dance Dance Dance (赤坂ダンスダンスダンス)
-  Warera Jeanne ~Shoujo Seisen Kageki~ (我らジャンヌ 〜少女聖戦歌劇〜) (as Rupert and Lily)
-  Musical Sengoku Jieitai
-  Ichimai no Ticket ~Beatles ga Yattekuru~
-  Nettai Danshi (daily guest role)
-  Pharaoh no Haka ~Hebi Ou Sneferu~
-  Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~
- She was voted 9th favorite member in the 2009 "Hello! Project Music Awards" event. 
- Her favorite artist is SMAP.
- She collects hand-written letters from members and classmates, and prefers getting hand-written letters as opposed to e-mail. She also collected 500 yen coins to buy a present for her mother.
- She has played the piano since kindergarten.
- Out of all the current main group leaders, she had the longest regime, being leader of Berryz Koubou for ten years.
- She loves pigs and collects pig-related merchandise.
- After the graduation of Umeda Erika in 2009, she became the oldest member of the Hello! Project Kids.
- Of all the groups leaders in Hello! Project, she is the only one known as the "Captain" of a group.
- She was previously noted as the shortest member of Berryz Koubou, and usually mentioned that fact when introducing herself. As of May 2006, she is now 2cm taller than Tsugunaga Momoko.
- In one of Berryz Koubou's DVD magazines, Shimizu has claimed that she wants to go to all of the members of Berryz Koubou's houses.
- Is considered to be one of the best dancers in all of Hello! Project, often being associated with her seniors in sub-groups that mainly focus on dance.
- Is close to everyone within Berryz Koubou, especially Tokunaga Chinami and Natsuyaki Miyabi.
- In a recent Berryz Koubou DVD Magazine, she said her favorite Berryz member was Natsuyaki Miyabi.
- She is also good friends with Yaguchi Mari, Yajima Maimi and Umeda Erika. She still calls Yaguchi her "big sister" occasionally and looks up to her as a role model.
- She was close to Murakami Megumi, particularly during their time together in ZYX.
- Her name is a combination between the initial of her Grandmother’s name "Sa" and the initial of her Mom's name "Ki."
- Her audition song was "Te wo Nigitte Arukitai," but she sang "Ii Koto Aru Kinen no Shunkan" during the preliminaries.
- She has a dog named Kurumi.
- During a trip to Hawaii, she shared a room with Tokunaga Chinami.
- She forms the "Nonbiri Trio" with Natsuyaki Miyabi and Kumai Yurina, which can be translated as "carefree trio," because they're always left over when they're putting on makeup and their outfits. On the other hand, Sudo Maasa and Tsugunaga Momoko are the fastest.
- In her 3rd Solo Event, Captain tested the FC members with a short questionnaire of 10 questions.
- They also called her Cappuccino because it's a pun for "captain" (in Japanese is kyaputen while Cappuccino is kyapuchi-no).
- Shimizu was, at one point, the oldest Hello! Project member.
- Tokunaga Chinami said that Captain was messy in the hotel in Hawaii.
- Shimizu was one of the winners in the CM competition of the "Hello! Project DVD magazine vol. 15."
- From Sono ~Sono Subete no Ai ni~: her good subject is mathematics and her favorite food is grilled meat.
- In Yorosen!, she taught other Berryz Koubou members about Yakiniku.
- When asked which Berryz Koubou member is the most troublesome, Saki answered that it would be Tokunaga Chinami because her emotions are so intense.
- As of July 3, 2020, she is a certified dietary education instructor. She studied for the online exam together with Nakajima Saki during her free time at home while social distancing due to the coronavirus pandemic.
- Gallery:Shimizu Saki
- List:Shimizu Saki Discography Featured In
- List:Shimizu Saki Concert & Event Appearances
- List:Shimizu Saki Publications Featured In
Captain of Berryz Koubou
Oldest Member of Berryz Koubou
Oldest member of Hello! Project
Leader of Hello! Project Station Dance Club
- ↑ 1.0 1.1 Hello! Morning. Broadcast Date: 2002-06-30.
- ↑ Tsunku. "『Berryz工房』（ベリーズこうぼう）誕生について" (in Japanese). Tsunku Official Website. 2003-01-15.
- ↑ "Berryz工房について" (in Japanese). Hello! Project. 2015-02-27.
- ↑ "【GREEN ROOM#16】 生タマゴShow!審査、モーニング娘。'15 スカッとMy Heart、ハロコン、こぶしファクトリーの裏側！ゲストMC:勝田里奈（アンジュルム）" (in Japanese). GREEN ROOM (via YouTube). 2015-08-13.
- ↑ "研修生" (in Japanese). Shimizu Saki Official Blog. 2015-08-15.
- ↑ "【GREEN ROOM#26】 ℃-ute MV、J=J、アンジュルム新曲ダンス、ハロプロ研修生の裏側！ゲストMC:中島早貴（℃-ute）" (in Japanese). GREEN ROOM (via YouTube). 2015-10-22.
- ↑ "「つばきファクトリー」来年１月メジャーデビュー決定 メンバー号泣" (in Japanese). Tokyo Sports. 2016-09-04.
- ↑ "つばきファクトリー、2017年にメジャーデビュー決定" (in Japanese). BARKS. 2016-09-04.
- ↑ "清水佐紀 M-line club 加入のお知らせ" (in Japanese). M-line club official site. 2017-08-24.
- ↑ "『PINK CRES. 1st Live Tour 2018 ～PINK LAND～』新宿ReNY公演 清水佐紀のゲスト出演決定！" (in Japanese). PINK CRES. official website. 2018-09-14.
- ↑ "「熊井友理奈カジュアルディナーショー2018～平成最後のENJOY!クマスマス～」ゲスト出演決定！" (in Japanese). J.P ROOM. 2018-10-30.
- ↑ "3月3日(火) 清水佐紀・須藤茉麻・熊井友理奈FCイベント「普通、この日なしではやってらんないでしょ！？」振替公演のお知らせ" (in Japanese). M-line club. 2020-03-24.
- ↑ "「普通、この日なしではやってらんないでしょ！？」中止のお知らせ" (in Japanese). Sudo Maasa Official Blog. 2020-04-14.
- ↑ "「ハロプロダンス学園 シーズン3」出演" (in Japanese). J.P ROOM. 2020-04-08.
- ↑ "新旧ハロプロメンバー主演で「ほぼ日の怪談。」ドラマ化、8月に配信・放送" (in Japanese). natalie. 2020-07-13.
- ↑ "ドラマ「ほぼ日の怪談。」出演決定！" (in Japanese). 2020-07-14.
- ↑ "新旧ハロプロメンバー主演のドラマ「ほぼ日の怪談。」予告、全12話の場面写真も解禁" (in Japanese). natalie. 2020-08-19.
- ↑ "「清水佐紀カジュアルディナーショー ～みなさんからのリクエスト歌っちゃいます～」新型コロナウイルス感染拡大防止対策に伴う大切なお知らせとお詫び" (in Japanese). M-line club. 2020-08-06.
- ↑ "食育インストラクター" (in Japanese). Shimizu Saku Official Blog. 2020-08-15.
|1st Generation||Yaguchi Mari (Leader) | Umeda Erika | Shimizu Saki | Yajima Maimi | Tsugunaga Momoko | Murakami Megumi|
|ZYX-α||Niigaki Risa | Tokunaga Chinami | Sudo Maasa | Kusumi Koharu | Wada Ayaka | Ogawa Saki|
|Singles||Iku ZYX! FLY HIGH | Shiroi TOKYO|
|Units & Other Groups|
|Related Units||Morning Musume | Hello! Project Kids | Berryz Koubou | ℃-ute | S/mileage|
|Members||Tanaka Reina (Leader) | Takahashi Ai | Shimizu Saki | Yajima Maimi | Maeda Yuuka|
|Related Units||Morning Musume | Berryz Koubou | ℃-ute | Hello Pro Egg | LoVendoЯ|
|High-King||Takahashi Ai | Tanaka Reina | Shimizu Saki | Yajima Maimi | Maeda Yuuka|
|Tanpopo#||Kamei Eri | Mitsui Aika | Kumai Yurina | Okai Chisato|
|Petitmoni V||Mano Erina | Nakajima Saki | Hagiwara Mai|
|Shin Minimoni.||Linlin | Fukuda Kanon | Takeuchi Akari | Miyamoto Karin|
|Aa!||Natsuyaki Miyabi | Suzuki Airi | Saho Akari|
|ZYX-α||Niigaki Risa | Kusumi Koharu | Umeda Erika | Tsugunaga Momoko | Tokunaga Chinami | Sudo Maasa | Wada Ayaka | Ogawa Saki|
|Zoku v-u-den||Michishige Sayumi | Junjun | Sugaya Risako|
|Discography Featured In|
|Albums||As Chanpuru: Chanpuru ① ~Happy Marriage Song Cover Shuu~ | Petit Best 10|
Other: Hello! Project no Zenkyoku kara Atsumechaimashita! Vol. 4 (Petitmoni V only)
|DVDs||As Chanpuru: Hello! Project DVD Magazine Vol.21|
|Concerts Featured In|
|Hello! Project||As Chanpuru: 2009 SUMMER | 2010 WINTER | 2010 SUMMER | 2011 WINTER|
Other: 2013 Fuyu (High-King, Petitmoni V, ZYX-α, Zoku v-u-den only) | Berryz Koubou Matsuri (High-King, Aa!, ZYX only) | COUNTDOWN PARTY 2016 (Tanpopo# only)
|Units & Other Acts|
|Associated Acts||Morning Musume | Berryz Koubou | ℃-ute | Mano Erina | S/mileage | Mobekimasu | Buono! | Guardians 4 | Shugo Chara Egg! | Hello Pro Egg|