Scale Venture Partners has promoted Ariel Tseitlin to a partner. Mr. Tseitlin joined the firm almost a year ago from Netflix, where he was director of Cloud Solutions. Prior to his promotion, he acted in the role of venture partner at ScaleVP. The firm has also brought on Cack Wilhem as a principal and Rose Yuan as an associate. Ms. Wilhem will focus on cloud infrastructure investments, having recently worked in tech sales at Cloudera. Ms. Yuan will work on investments across the portfolio in the SaaS, cloud and mobile sectors.