On the Move

Chuck Becher Sonim Technologies

The San Mateo provider of durable mobile phones named Chuck Becher chief sales and marketing officer. Previously he held executive positions at Kyocera.

Mark Bickerstaffe Netformx

The San Jose provider of sales enablement and profit acceleration tools appointed Mark Bickerstaffe vice president of sales for North America and Latin America. Previously, he held executive sales leadership positions at Apteligent, Citrix, Compuware and Mercury Interactive.

Melissa Borza Netformx

The San Jose provider of sales enablement and profit acceleration tools appointed Melissa Borza vice president of marketing and product strategy. Previously, she held positions at CA Technologies.

Ken Calhoon IronPlanet

The Pleasanton online marketplace for selling and buying used equipment and other durable assets named Ken Calhoon vice president of data analytics and machine learning. He is a former executive at Forrester Research.

Aidan Cullen Aryaka

The Milpitas software-defined, optimized, cloud-delivered network provider named Aidan Cullen chief financial officer. Previously, he was CFO at CliQr Technologies.

David Kreske Meridian

The San Ramon full-service real estate developer specializing in acquiring and developing real estate facilities, appointed David Kreske vice president of construction. Recently he served as vice president at Bank of the West.

Jim Liefer Kindred Systems

The San Francisco technology company that builds machines with human-like intelligence, appointed Jim Liefer chief operating officer. Recently, he served as COO at One Kings Lane.

Anthony Martwick Sonim Technologies

The San Mateo provider of durable mobile phones named Anthony Martwick senior vice president of strategy and public safety. Previously, he held positions at Verizon Wireless.

Peter Robertson Sylvan Source

The San Carlos provider of water treatment services appointed Peter Robertson to its board as an independent director, adviser and investor. He is a former executive vice president and vice chairman of the board of directors at Chevron.