Forging bonds, training leaders, honoring women chemists. Forging Bonds: Iota Sigma Pi is over 7000 women chemists in the U.S. and actively works to connect members with common interests. Learn more about joining us on our website. Training Leaders: Iota Sigma Pi enables undergraduate, graduate, and professional women to take leadership roles and develop their soft skills. See what opportunities you could access. Honoring Women Chemists: Iota Sigma Pi recognizes female chemists including professionals, graduates, undergraduates, and high school students on an annual basis. See our awards to apply or nominate women you know.