Joe Kiani (Persian: ماس کیانی; born on September 16, 1964, is an Iranian-born American engineer, entrepreneur, and corporate executive.

Arriving in the United States, speaking no more than three words in English, Joe Kiani graduated from high school at the age of fifteen.

Joe Kiani enrolled in San Diego State University (SDSU), receiving bachelor's (B.S.E.E) and master's (M.S.E.E) degrees in electrical engineering by the age of 22.

Masimo SET helps clinicians reduce severe retinopathy of prematurity (ROP)[6] in neonates and improve critical congenital heart disease (CCHD) screening in newborns.

In addition, a 10-year study from Dartmouth showed that Masimo SET eliminated death and brain damage in the post-surgical wards and reduced cost by over $1.5M a year due to over 50% reduction in rapid response activation and transfers back to the ICU.

After activist investors won the majority of the Board, including Joe Kiani's position on the Board, in September 19th, 2024, Joe Kiani resigned as CEO and currently leads Willow Laboratories, a health and wellness innovator focused on diabetes, based in Irvine, California, which holds 127 issued patents, 48 pending patents, and technologies.

In 2002 and 2003, Joe Kiani testified in front of the Senate Antitrust Subcommittee regarding anticompetitive practices of Hospital Group Purchasing Organizations and dominant medical suppliers.

His efforts led to new codes of conduct by GPOs that prohibited sole supply and bundling agreements of clinically preferred products.

[10] Masimo Foundation supports third-party research, development initiatives, and clinical studies with an emphasis on transformative projects that seek to truly enhance patient safety and outcomes; helping to forge a world free of sickness, disease and inhumanity.

In September 2013, Kiani appeared before the Senate Health, Education, Labor & Pensions Committee and laid out five steps to help eradicate preventable patient deaths.

He was named the SafeCare Person of the Year in 2015, and received the Chapman University Argyros Medal for Visionary Leadership & Commitment to Patient Safety in 2013.

In 2020, Joe Kiani joined actors Chris Evans and Mark Kassen in creating A Starting Point, a video-based civic engagement platform.