Frederick Pitzman (1923 – 1951)
Following the death of Julius Pitzman in 1923, Pitzmans Co. was taken over by Julius’s son, Frederick Pitzman. He graduated with a degree in Civil Engineering from Washington University in St. Louis where he played football and served as a Student Body Representative. Frederick continued his father’s legacy in developing the greater St. Louis area. His efforts spanned multiple sectors. Including private residences, industrial projects, and public parks and in 1927, Frederick Pitzman was appointed City Surveyor for the City of St. Louis.

One of his most interesting projects during his career was the Lake Forest Neighborhood, which is situated at the southwest corner at the intersection of Clayton Road and Hanley Road in Richmond Heights. Echoing his fathers style, (Frederick) Pitzman integrated notable features such as a single, gated entry, large homesites, and lots of greenery, including large trees and shrubbery that lined the neighborhoods boundaries, which added to the privacy of the neighborhood and further emphasized nature and serenity, two key features that Julius Pitzman sought to prioritize in suburban landscapes.

In 1951, Frederick Pitzman passed away at the age of 61 and left his fortune to the Frederick Pitzman Trust, which continues to provide funding for scholarships and grants for educational and nonprofit institutions throughout the Midwest.

A. Fred Helmkampf (1951 – 1962)
In 1948, Fred Helmkampf, took over Pitzman’s role as City Surveyor and in 1951, after the death of Frederick Pitzman, he took on Pitzman’s role as president of the company. Helmkampf passed away in 1962 at the age of 54.

Jesse F. Colvin (1962 – 1969)
Jesse F. Colvin was born in 1924 in Illinois. He served as a technical sergeant (TSgt) in the U.S. Army during WWII. He took over Pitzman’s Co. in 1962 and was president until 1969, In 1997, Colvin passed away at the age of 72.

Clem R. Ulrich (1969 – 1972)
Clem R. Ulrich was born May 21st, 1924 in Missouri. Similar to the presidents that proceeded him, Julius Pitzman and Jesse F. Colvin, Ulrich had a dedicated military career, serving as a Private First Class (PFC) in the U.S. Army during WWII. He was the president of the Missouri Society of Professional Land Surveyors (MSPS) in 1967, and was the president of Pitzman’s from 1969 until 1972. In 2006, he passed away at the age of 82. Ulrich is buried at Jefferson Barracks Cemetary in St. Louis, Missouri.

Roy E. Leimberg (1972 – 2005)
Roy E. Leimberg joined Pitzmans Co. in 1955 at the young age of 17. His career with Pitzman’s spanned 52 years and three presidents, initially serving under Helmkampf and later, Colvin and Ulrich. In 1972, he took on the role of president of the company and for over three decades, Leimberg upheld the Pitzman reputation of providing exceptional land surveying services to the greater St. Louis area.

During his tenure as president, Leimberg served as president of the Missouri Society of Professional Land Surveyors (MSPS) in 1982. Like many of the president that served before him, Leimberg was German and was very proud of his heritage. Leimberg passed away in 2016 however, even in his absence, his vast knowledge of land surveying and the values he integrated into Pitzmans Co. are still continuously echoed.

William K. Berthold (2005 – 2010; 2020 – )
In 2005, Pitzman’s was bought by William K. Berthold, president of Frontenac Engineering, who had long seen the value in this company and the unique, and vast, history that it encompassed.

A native of St. Louis, Bill Berthold grew up in Kirkwood, Missouri. He graduated from the University of Missouri with degrees in Civil Engineering and Geology in 1984. The combination of geology and engineering allowed him to develop a keen interest in the relationship between the built environment and natural features of landscapes, similar to what Julius Pitzman had explored when designing his private, serene suburbs.

Early in his career, Berthold became enamored by the work of Julius Pitzman and the unique history of the company. For several years, he tossed around the idea of becoming involved with Pitzman’s Co and finally one day, he decided to reach out to Roy to extend his interest in purchasing the company if, or when, it became available to buy. To Bill’s surprise, the company had just been listed for sale in the Land Surveyors Journal and a few hours later, he and Roy met to discuss the future of Pitzman’s. By November 2005, Pitzman’s was officially sold and in 2006, it became established in the office it currently operates out of which is located on Sutton Blvd in Maplewood, Missouri.

T. Christopher Peoples (2010 – 2020)
During his tenure as Pitzman’s president, Roy E. Leimberg met T. Christopher Peoples and was initially impressed by Peoples’ German fluency, which he learned after taking German classes in high school. Although Peoples didn’t have a background in surveying, Leimberg appreciated his cadence and decided to hire him.

For nearly a decade, Chris Peoples developed his skills and knowledge; working at Pitzman’s during the day and attending classes at University of Missouri-St. Louis in the evenings. In 2008, he graduated from UMSL with a degree in Civil Engineering and by 2010, his hard work propelled him to leadership, and he became president of the company.