Pasley and Singer Law Firm, L.L.P.

Serving Story County and Central Iowa since 1906

323 6th St.
Ames, IA 50010-0664

Phone: (515) 232-4732

John A. Tillo

Areas of practice

John Tillo is in the general practice of law including but not limited to litigation, business law, corporate law, environmental law, family law, municipal law, real estate, taxation, wills, trusts, estate planning & probate law, and zoning, planning & land use.

Professional experience

Prior to joining Pasley and Singer, John worked as an attorney with the estate planning firm of Hargrove Madden LLP in Chicago. At Hargrove and Madden, John assisted his clients with will, trust and estate planning.

During law school, John served as an extern in the litigation department of a well-known environmental organization in the spring of 2011 and as a summer law clerk for a Chicago plaintiff’s personal injury firm during the summer of 2010.

John’s legal experience is diverse and varied. He thoroughly enjoys the opportunity to practice in several areas of law. John is committed to his clients’ best interests and strives to meet their goals expeditiously.

Bar admissions

  • Iowa Supreme Court, 2012
  • Illinois Supreme Court, 2011


  • DePaul University College of Law, Juris Doctor, 2011
  • Iowa State University, Bachelor of Arts with Honors, 2006

Community involvement

John is active in the Ames community. An Ames native, John served on the City of Ames Planning and Zoning Commission from 2013 to 2016. He also serves as a member of the Board of the Ames Foundation.

In the past, John has prepared tax returns as a voluntary tax preparer for low-income tax filers and participated in countless river, prairie and wilderness area clean-ups. John organizes the firm’s Adopt-a-Highway roadside clean-up day each spring, summer and fall.

John Tillo

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Phone: (515) 232-4732
Fax: (515) 232-4756
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The offices of the Pasley and Singer Law Firm, L.L.P., are located in Ames, Iowa. The lawyers and staff of the Pasley and Singer Law Firm, L.L.P., serve clients throughout Iowa, including the cities of Ames, Nevada, Gilbert, Huxley, Slater, Zearing, Story City, Roland, McCallsburg, Colo, Cambridge, Sheldahl, Des Moines, Cedar Rapids, Fort Dodge, Waterloo, Marshalltown, Boone, Webster City, Eldora, Grundy Center, Newton, Adel, Eldora, Ankeny, Johnston, Indianola, Cedar Falls, Jefferson, Marshalltown, Clarion, Knoxville, and the communities that make up Story, Polk, Linn, Webster, Blackhawk, Marshall, Boone, Hamilton, Jasper, Dallas, Hardin, Warren, Greene, Wright, and Marion counties.