Here are some of the latest executive hirings, promotions, and staff changes that happened in April. If you’d like SDxCentral to report on your company’s movers and shakers, or if you’ve got a tip about layoffs and restructuring, please send the information to Dan Muse ([email protected]) for inclusion in the monthly headcount column.

Verizon further fleshed out its recent leadership shake up, naming former Hewlett Packard (HP) executive Jonathan Nikols to head the carrier’s enterprise operations in the Americas. The move comes a month after broader executive changes at the operator.

Nikols was named SVP of Verizon Business’ Global Enterprise, Americas operations, where he will oversee the carrier’s enterprise aspirations in the Western Hemisphere. This includes the carrier’s business-focused 5G services, private networking, fixed-wireless access (FWA) and mobile edge compute (MWC) services. Read more.

Long-time T-Mobile US technology executive Neville Ray has started his retirement transition out of the carrier, moving from a direct executive position to an advisory role to CEO Mike Sievert. The carrier is also losing EVP and CTO Abdul Saad.

In a post on his LinkedIn account, Ray wrote he has taken on a new role as president and strategic network advisor to Sievert. The move was expected as Ray initially announced plans to retire in mid-February. Read more.

Red Hat is cutting several hundred jobs as it looks to “compete in a new environment,” joining a number of technology firms that have recently announced job cuts in the face of growing economic uncertainty. The news also comes after parent company IBM announced its latest results that relied heavily on Red Hat’s financial clout.

In an email to employees, which was also shared on Red Hat’s official blog site, CEO Tim Hicks said the company would be cutting just under 4% of its workforce over the coming months. Red Hat claimed approximately 19,000 employees prior to the move, with the cuts impacting around 700 employees. Read more.

Solo.io named Louis Ryan as CTO.

Riskified appointed Jeff Otto as CMO.

Stack Infrastructure appointed Ravi Thota as chief information officer.

Bright Machines hired Gayle Sheppard as CEO.

Illumio named Gautam Mehandru as CMO.

Sphere hired Scott Gibson as chief operating officer.

Neo4j appointed Sudhir Hasbe as chief product officer.

Zayo Group appointed Jeffrey Noto as CFO.

Sophos promoted Joe Levy to president of the Sophos Technology Group.

WatchGuard Technologies hired HoJin Kim as SVP and chief revenue officer.

DNSFilter promoted Dave Raphael to chief operating officer.

NinjaOne announced Joe Lohmeier as its global channel chief.

MariaDB appointed Conor McCarthy as CFO.

WSO2 named Asanka Abeysinghe as CTO.

Orca Security appointed James Love as president of field operations.

Trellix announced Ash Parikh as CMO.

Vimeo appointed Mark Carter as CISO.

Velocity Global announced Frank Calderoni as CEO.

Critical Start appointed Sean Goldstein as CMO and Chris Carlson as chief product officer.

Standigm announced Younsung Choo as CEO.

Zadara announced Yoram Novick as president and CEO.

Akeyless Security named Suresh Sathyamurthy as CMO.

Deltek appointed Dinakar Hituvalli as CTO.

Amplitude hired Nathaniel Crook as chief revenue officer.

NMI named Tiffany Johnson as chief product officer.

Splunk announced Min Wang as CTO.

HYCU hired Coley Burke as chief revenue officer.

Sift appointed Armen Najarian as CMO.

Styra appointed Mark Pundsack as CEO.

Contrast Security appointed Rick Fitz as CEO.

SentinelOne announced Sally Jenkins as CMO.

Bill announced Ken Moss as CTO.

Aware hired Dan Kaltenbach as chief financial officer.

Cloudflare hired Grant Bourzikas as chief security officer.

Extreme Networks announced Kevin Rhodes as EVP and chief financial officer.

Adlumin promoted Dan McQuade to CTO.

GitHub named Kyle Daigle as chief operating officer.

CloudBolt announced Kyle Campos as CTO.

Syntellis announced Robert Hendricks as chief product officer.

Schneider Electric appointed Javed Ahmad as SVP of global supply chain.

Sago named Steve Mast as chief product officer and Carlo Marcelino as CTO.